Home / 3,805,153.92-5,708,321.28-1,280,612.16

Finding the Fourth Proportional to 3,805,153.92, 5,708,321.28 and 1,280,612.16

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Solution

The fourth proportional to 3,805,153.92, 5,708,321.28 and 1,280,612.16 is: 1,921,116.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805,153.92 : 5,708,321.28 = 1,280,612.16 : x
  2. Step 2: Convert to fraction form
    3,805,153.92/5,708,321.28 = 1,280,612.16/x
  3. Step 3: Cross multiply
    3,805,153.92x = 5,708,321.28 × 1,280,612.16
  4. Step 4: Simplify right side
    3,805,153.92x = 7,310,145,644,354.77
  5. Step 5: Solve for x
    x = 7,310,145,644,354.77/3,805,153.92
  6. Step 6: Final answer
    x = 1,921,116.94

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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.