Home / 2,869,542.80-3,960,148.08-1,580,382.86

Finding the Fourth Proportional to 2,869,542.80, 3,960,148.08 and 1,580,382.86

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Solution

The fourth proportional to 2,869,542.80, 3,960,148.08 and 1,580,382.86 is: 2,181,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869,542.80 : 3,960,148.08 = 1,580,382.86 : x
  2. Step 2: Convert to fraction form
    2,869,542.80/3,960,148.08 = 1,580,382.86/x
  3. Step 3: Cross multiply
    2,869,542.80x = 3,960,148.08 × 1,580,382.86
  4. Step 4: Simplify right side
    2,869,542.80x = 6,258,550,148,693.91
  5. Step 5: Solve for x
    x = 6,258,550,148,693.91/2,869,542.80
  6. Step 6: Final answer
    x = 2,181,026.94

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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.