Home / 2,129,959.71-3,192,572.96-1,622,848.78

Finding the Fourth Proportional to 2,129,959.71, 3,192,572.96 and 1,622,848.78

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Solution

The fourth proportional to 2,129,959.71, 3,192,572.96 and 1,622,848.78 is: 2,432,470.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,959.71 : 3,192,572.96 = 1,622,848.78 : x
  2. Step 2: Convert to fraction form
    2,129,959.71/3,192,572.96 = 1,622,848.78/x
  3. Step 3: Cross multiply
    2,129,959.71x = 3,192,572.96 × 1,622,848.78
  4. Step 4: Simplify right side
    2,129,959.71x = 5,181,063,117,101.31
  5. Step 5: Solve for x
    x = 5,181,063,117,101.31/2,129,959.71
  6. Step 6: Final answer
    x = 2,432,470.01

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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.