Home / 5,364,003.70-8,046,005.55-1,320,459.40

Finding the Fourth Proportional to 5,364,003.70, 8,046,005.55 and 1,320,459.40

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Solution

The fourth proportional to 5,364,003.70, 8,046,005.55 and 1,320,459.40 is: 1,980,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364,003.70 : 8,046,005.55 = 1,320,459.40 : x
  2. Step 2: Convert to fraction form
    5,364,003.70/8,046,005.55 = 1,320,459.40/x
  3. Step 3: Cross multiply
    5,364,003.70x = 8,046,005.55 × 1,320,459.40
  4. Step 4: Simplify right side
    5,364,003.70x = 10,624,423,660,949.67
  5. Step 5: Solve for x
    x = 10,624,423,660,949.67/5,364,003.70
  6. Step 6: Final answer
    x = 1,980,689.10

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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.