Home / 2,182,938.60-3,274,898.78-666,494.68

Finding the Fourth Proportional to 2,182,938.60, 3,274,898.78 and 666,494.68

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Solution

The fourth proportional to 2,182,938.60, 3,274,898.78 and 666,494.68 is: 999,891.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,938.60 : 3,274,898.78 = 666,494.68 : x
  2. Step 2: Convert to fraction form
    2,182,938.60/3,274,898.78 = 666,494.68/x
  3. Step 3: Cross multiply
    2,182,938.60x = 3,274,898.78 × 666,494.68
  4. Step 4: Simplify right side
    2,182,938.60x = 2,182,702,614,408.49
  5. Step 5: Solve for x
    x = 2,182,702,614,408.49/2,182,938.60
  6. Step 6: Final answer
    x = 999,891.90

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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.