Home / 3,182,729.40-4,392,541.32-1,787,520.60

Finding the Fourth Proportional to 3,182,729.40, 4,392,541.32 and 1,787,520.60

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Solution

The fourth proportional to 3,182,729.40, 4,392,541.32 and 1,787,520.60 is: 2,466,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182,729.40 : 4,392,541.32 = 1,787,520.60 : x
  2. Step 2: Convert to fraction form
    3,182,729.40/4,392,541.32 = 1,787,520.60/x
  3. Step 3: Cross multiply
    3,182,729.40x = 4,392,541.32 × 1,787,520.60
  4. Step 4: Simplify right side
    3,182,729.40x = 7,851,758,095,851.19
  5. Step 5: Solve for x
    x = 7,851,758,095,851.19/3,182,729.40
  6. Step 6: Final answer
    x = 2,466,988.90

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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.