Home / 3,163,145.40-4,744,718.10-1,457,285.40

Finding the Fourth Proportional to 3,163,145.40, 4,744,718.10 and 1,457,285.40

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Solution

The fourth proportional to 3,163,145.40, 4,744,718.10 and 1,457,285.40 is: 2,185,928.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163,145.40 : 4,744,718.10 = 1,457,285.40 : x
  2. Step 2: Convert to fraction form
    3,163,145.40/4,744,718.10 = 1,457,285.40/x
  3. Step 3: Cross multiply
    3,163,145.40x = 4,744,718.10 × 1,457,285.40
  4. Step 4: Simplify right side
    3,163,145.40x = 6,914,408,414,245.74
  5. Step 5: Solve for x
    x = 6,914,408,414,245.74/3,163,145.40
  6. Step 6: Final answer
    x = 2,185,928.10

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Double scale
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Similar ratio
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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.