Home / 1,587,390.40-2,377,586.40-1,377,438.40

Finding the Fourth Proportional to 1,587,390.40, 2,377,586.40 and 1,377,438.40

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Solution

The fourth proportional to 1,587,390.40, 2,377,586.40 and 1,377,438.40 is: 2,063,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,390.40 : 2,377,586.40 = 1,377,438.40 : x
  2. Step 2: Convert to fraction form
    1,587,390.40/2,377,586.40 = 1,377,438.40/x
  3. Step 3: Cross multiply
    1,587,390.40x = 2,377,586.40 × 1,377,438.40
  4. Step 4: Simplify right side
    1,587,390.40x = 3,274,978,806,677.76
  5. Step 5: Solve for x
    x = 3,274,978,806,677.76/1,587,390.40
  6. Step 6: Final answer
    x = 2,063,121.21

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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.