Home / 5,192,610.48-7,166,077.64-3,128,275.98

Finding the Fourth Proportional to 5,192,610.48, 7,166,077.64 and 3,128,275.98

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Solution

The fourth proportional to 5,192,610.48, 7,166,077.64 and 3,128,275.98 is: 4,317,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192,610.48 : 7,166,077.64 = 3,128,275.98 : x
  2. Step 2: Convert to fraction form
    5,192,610.48/7,166,077.64 = 3,128,275.98/x
  3. Step 3: Cross multiply
    5,192,610.48x = 7,166,077.64 × 3,128,275.98
  4. Step 4: Simplify right side
    5,192,610.48x = 22,417,468,536,385.71
  5. Step 5: Solve for x
    x = 22,417,468,536,385.71/5,192,610.48
  6. Step 6: Final answer
    x = 4,317,186.63

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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.