Home / 5,387,048-7,434,281.76-2,972,755.52

Finding the Fourth Proportional to 5,387,048, 7,434,281.76 and 2,972,755.52

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Solution

The fourth proportional to 5,387,048, 7,434,281.76 and 2,972,755.52 is: 4,102,488.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,048 : 7,434,281.76 = 2,972,755.52 : x
  2. Step 2: Convert to fraction form
    5,387,048/7,434,281.76 = 2,972,755.52/x
  3. Step 3: Cross multiply
    5,387,048x = 7,434,281.76 × 2,972,755.52
  4. Step 4: Simplify right side
    5,387,048x = 22,100,302,139,275.32
  5. Step 5: Solve for x
    x = 22,100,302,139,275.32/5,387,048
  6. Step 6: Final answer
    x = 4,102,488.44

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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.