Home / 5,128,957.65-7,693,436.48-4,892,761.65

Finding the Fourth Proportional to 5,128,957.65, 7,693,436.48 and 4,892,761.65

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Solution

The fourth proportional to 5,128,957.65, 7,693,436.48 and 4,892,761.65 is: 7,339,142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,957.65 : 7,693,436.48 = 4,892,761.65 : x
  2. Step 2: Convert to fraction form
    5,128,957.65/7,693,436.48 = 4,892,761.65/x
  3. Step 3: Cross multiply
    5,128,957.65x = 7,693,436.48 × 4,892,761.65
  4. Step 4: Simplify right side
    5,128,957.65x = 37,642,150,941,591.19
  5. Step 5: Solve for x
    x = 37,642,150,941,591.19/5,128,957.65
  6. Step 6: Final answer
    x = 7,339,142.48

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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.