Home / 3,930,622.52-5,883,729.78-2,129,031.32

Finding the Fourth Proportional to 3,930,622.52, 5,883,729.78 and 2,129,031.32

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Solution

The fourth proportional to 3,930,622.52, 5,883,729.78 and 2,129,031.32 is: 3,186,936.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930,622.52 : 5,883,729.78 = 2,129,031.32 : x
  2. Step 2: Convert to fraction form
    3,930,622.52/5,883,729.78 = 2,129,031.32/x
  3. Step 3: Cross multiply
    3,930,622.52x = 5,883,729.78 × 2,129,031.32
  4. Step 4: Simplify right side
    3,930,622.52x = 12,526,644,980,036.71
  5. Step 5: Solve for x
    x = 12,526,644,980,036.71/3,930,622.52
  6. Step 6: Final answer
    x = 3,186,936.65

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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.