Home / 4,677,881.40-7,016,822.10-2,158,457.40

Finding the Fourth Proportional to 4,677,881.40, 7,016,822.10 and 2,158,457.40

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Solution

The fourth proportional to 4,677,881.40, 7,016,822.10 and 2,158,457.40 is: 3,237,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677,881.40 : 7,016,822.10 = 2,158,457.40 : x
  2. Step 2: Convert to fraction form
    4,677,881.40/7,016,822.10 = 2,158,457.40/x
  3. Step 3: Cross multiply
    4,677,881.40x = 7,016,822.10 × 2,158,457.40
  4. Step 4: Simplify right side
    4,677,881.40x = 15,145,511,586,228.54
  5. Step 5: Solve for x
    x = 15,145,511,586,228.54/4,677,881.40
  6. Step 6: Final answer
    x = 3,237,686.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.