Home / 4,378,002.20-6,561,473.70-2,129,298.20

Finding the Fourth Proportional to 4,378,002.20, 6,561,473.70 and 2,129,298.20

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Solution

The fourth proportional to 4,378,002.20, 6,561,473.70 and 2,129,298.20 is: 3,191,257.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378,002.20 : 6,561,473.70 = 2,129,298.20 : x
  2. Step 2: Convert to fraction form
    4,378,002.20/6,561,473.70 = 2,129,298.20/x
  3. Step 3: Cross multiply
    4,378,002.20x = 6,561,473.70 × 2,129,298.20
  4. Step 4: Simplify right side
    4,378,002.20x = 13,971,334,138,757.34
  5. Step 5: Solve for x
    x = 13,971,334,138,757.34/4,378,002.20
  6. Step 6: Final answer
    x = 3,191,257.91

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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.