Home / 2,810,520.42-3,878,292.26-1,587,123.56

Finding the Fourth Proportional to 2,810,520.42, 3,878,292.26 and 1,587,123.56

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Solution

The fourth proportional to 2,810,520.42, 3,878,292.26 and 1,587,123.56 is: 2,190,102.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,520.42 : 3,878,292.26 = 1,587,123.56 : x
  2. Step 2: Convert to fraction form
    2,810,520.42/3,878,292.26 = 1,587,123.56/x
  3. Step 3: Cross multiply
    2,810,520.42x = 3,878,292.26 × 1,587,123.56
  4. Step 4: Simplify right side
    2,810,520.42x = 6,155,328,991,084.57
  5. Step 5: Solve for x
    x = 6,155,328,991,084.57/2,810,520.42
  6. Step 6: Final answer
    x = 2,190,102.92

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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.