Home / 5,209,839.90-7,814,050.42-1,371,340.86

Finding the Fourth Proportional to 5,209,839.90, 7,814,050.42 and 1,371,340.86

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Solution

The fourth proportional to 5,209,839.90, 7,814,050.42 and 1,371,340.86 is: 2,056,824.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,839.90 : 7,814,050.42 = 1,371,340.86 : x
  2. Step 2: Convert to fraction form
    5,209,839.90/7,814,050.42 = 1,371,340.86/x
  3. Step 3: Cross multiply
    5,209,839.90x = 7,814,050.42 × 1,371,340.86
  4. Step 4: Simplify right side
    5,209,839.90x = 10,715,726,623,046.16
  5. Step 5: Solve for x
    x = 10,715,726,623,046.16/5,209,839.90
  6. Step 6: Final answer
    x = 2,056,824.55

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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.