Home / 3,901,878.36-5,381,034.30-3,350,421.72

Finding the Fourth Proportional to 3,901,878.36, 5,381,034.30 and 3,350,421.72

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Solution

The fourth proportional to 3,901,878.36, 5,381,034.30 and 3,350,421.72 is: 4,620,526.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901,878.36 : 5,381,034.30 = 3,350,421.72 : x
  2. Step 2: Convert to fraction form
    3,901,878.36/5,381,034.30 = 3,350,421.72/x
  3. Step 3: Cross multiply
    3,901,878.36x = 5,381,034.30 × 3,350,421.72
  4. Step 4: Simplify right side
    3,901,878.36x = 18,028,734,194,785.00
  5. Step 5: Solve for x
    x = 18,028,734,194,785.00/3,901,878.36
  6. Step 6: Final answer
    x = 4,620,526.97

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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.