Home / 1,930,648.14-2,664,253.80-1,071,189.90

Finding the Fourth Proportional to 1,930,648.14, 2,664,253.80 and 1,071,189.90

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Solution

The fourth proportional to 1,930,648.14, 2,664,253.80 and 1,071,189.90 is: 1,478,219.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,648.14 : 2,664,253.80 = 1,071,189.90 : x
  2. Step 2: Convert to fraction form
    1,930,648.14/2,664,253.80 = 1,071,189.90/x
  3. Step 3: Cross multiply
    1,930,648.14x = 2,664,253.80 × 1,071,189.90
  4. Step 4: Simplify right side
    1,930,648.14x = 2,853,921,761,596.62
  5. Step 5: Solve for x
    x = 2,853,921,761,596.62/1,930,648.14
  6. Step 6: Final answer
    x = 1,478,219.52

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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.