Home / 2,239,126.92-3,089,878.56-1,272,123

Finding the Fourth Proportional to 2,239,126.92, 3,089,878.56 and 1,272,123

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Solution

The fourth proportional to 2,239,126.92, 3,089,878.56 and 1,272,123 is: 1,755,463.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,126.92 : 3,089,878.56 = 1,272,123 : x
  2. Step 2: Convert to fraction form
    2,239,126.92/3,089,878.56 = 1,272,123/x
  3. Step 3: Cross multiply
    2,239,126.92x = 3,089,878.56 × 1,272,123
  4. Step 4: Simplify right side
    2,239,126.92x = 3,930,705,583,382.88
  5. Step 5: Solve for x
    x = 3,930,705,583,382.88/2,239,126.92
  6. Step 6: Final answer
    x = 1,755,463.50

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1.5x scale

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.