Home / 5,387,612.80-8,090,750.40-2,868,188.80

Finding the Fourth Proportional to 5,387,612.80, 8,090,750.40 and 2,868,188.80

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Solution

The fourth proportional to 5,387,612.80, 8,090,750.40 and 2,868,188.80 is: 4,307,250.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,612.80 : 8,090,750.40 = 2,868,188.80 : x
  2. Step 2: Convert to fraction form
    5,387,612.80/8,090,750.40 = 2,868,188.80/x
  3. Step 3: Cross multiply
    5,387,612.80x = 8,090,750.40 × 2,868,188.80
  4. Step 4: Simplify right side
    5,387,612.80x = 23,205,799,680,875.52
  5. Step 5: Solve for x
    x = 23,205,799,680,875.52/5,387,612.80
  6. Step 6: Final answer
    x = 4,307,250.83

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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.