Home / 1,753,915.86-2,420,385.51-990,001.62

Finding the Fourth Proportional to 1,753,915.86, 2,420,385.51 and 990,001.62

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Solution

The fourth proportional to 1,753,915.86, 2,420,385.51 and 990,001.62 is: 1,366,191.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,915.86 : 2,420,385.51 = 990,001.62 : x
  2. Step 2: Convert to fraction form
    1,753,915.86/2,420,385.51 = 990,001.62/x
  3. Step 3: Cross multiply
    1,753,915.86x = 2,420,385.51 × 990,001.62
  4. Step 4: Simplify right side
    1,753,915.86x = 2,396,185,575,924.53
  5. Step 5: Solve for x
    x = 2,396,185,575,924.53/1,753,915.86
  6. Step 6: Final answer
    x = 1,366,191.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.