Home / 2,487,287.05-3,730,932.34-690,172.30

Finding the Fourth Proportional to 2,487,287.05, 3,730,932.34 and 690,172.30

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Solution

The fourth proportional to 2,487,287.05, 3,730,932.34 and 690,172.30 is: 1,035,258.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,287.05 : 3,730,932.34 = 690,172.30 : x
  2. Step 2: Convert to fraction form
    2,487,287.05/3,730,932.34 = 690,172.30/x
  3. Step 3: Cross multiply
    2,487,287.05x = 3,730,932.34 × 690,172.30
  4. Step 4: Simplify right side
    2,487,287.05x = 2,574,986,140,076.14
  5. Step 5: Solve for x
    x = 2,574,986,140,076.14/2,487,287.05
  6. Step 6: Final answer
    x = 1,035,258.94

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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.