Home / 5,175,685.42-7,142,154.42-2,852,570.90

Finding the Fourth Proportional to 5,175,685.42, 7,142,154.42 and 2,852,570.90

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Solution

The fourth proportional to 5,175,685.42, 7,142,154.42 and 2,852,570.90 is: 3,936,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175,685.42 : 7,142,154.42 = 2,852,570.90 : x
  2. Step 2: Convert to fraction form
    5,175,685.42/7,142,154.42 = 2,852,570.90/x
  3. Step 3: Cross multiply
    5,175,685.42x = 7,142,154.42 × 2,852,570.90
  4. Step 4: Simplify right side
    5,175,685.42x = 20,373,501,836,811.57
  5. Step 5: Solve for x
    x = 20,373,501,836,811.57/5,175,685.42
  6. Step 6: Final answer
    x = 3,936,387.20

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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.