Home / 3,939,402.56-5,436,298.88-2,220,490.56

Finding the Fourth Proportional to 3,939,402.56, 5,436,298.88 and 2,220,490.56

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Solution

The fourth proportional to 3,939,402.56, 5,436,298.88 and 2,220,490.56 is: 3,064,233.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,402.56 : 5,436,298.88 = 2,220,490.56 : x
  2. Step 2: Convert to fraction form
    3,939,402.56/5,436,298.88 = 2,220,490.56/x
  3. Step 3: Cross multiply
    3,939,402.56x = 5,436,298.88 × 2,220,490.56
  4. Step 4: Simplify right side
    3,939,402.56x = 12,071,250,344,378.57
  5. Step 5: Solve for x
    x = 12,071,250,344,378.57/3,939,402.56
  6. Step 6: Final answer
    x = 3,064,233.77

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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.