Home / 2,309,861.80-3,464,871.90-712,412.20

Finding the Fourth Proportional to 2,309,861.80, 3,464,871.90 and 712,412.20

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Solution

The fourth proportional to 2,309,861.80, 3,464,871.90 and 712,412.20 is: 1,068,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,861.80 : 3,464,871.90 = 712,412.20 : x
  2. Step 2: Convert to fraction form
    2,309,861.80/3,464,871.90 = 712,412.20/x
  3. Step 3: Cross multiply
    2,309,861.80x = 3,464,871.90 × 712,412.20
  4. Step 4: Simplify right side
    2,309,861.80x = 2,468,417,012,997.18
  5. Step 5: Solve for x
    x = 2,468,417,012,997.18/2,309,861.80
  6. Step 6: Final answer
    x = 1,068,642.73

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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.