Home / 5,260,951.91-7,891,646.57-1,666,639.28

Finding the Fourth Proportional to 5,260,951.91, 7,891,646.57 and 1,666,639.28

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Solution

The fourth proportional to 5,260,951.91, 7,891,646.57 and 1,666,639.28 is: 2,500,028.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260,951.91 : 7,891,646.57 = 1,666,639.28 : x
  2. Step 2: Convert to fraction form
    5,260,951.91/7,891,646.57 = 1,666,639.28/x
  3. Step 3: Cross multiply
    5,260,951.91x = 7,891,646.57 × 1,666,639.28
  4. Step 4: Simplify right side
    5,260,951.91x = 13,152,528,175,085.09
  5. Step 5: Solve for x
    x = 13,152,528,175,085.09/5,260,951.91
  6. Step 6: Final answer
    x = 2,500,028.21

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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.