Home / 3,150,407.60-4,729,110.60-1,953,681.20

Finding the Fourth Proportional to 3,150,407.60, 4,729,110.60 and 1,953,681.20

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Solution

The fourth proportional to 3,150,407.60, 4,729,110.60 and 1,953,681.20 is: 2,932,691.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150,407.60 : 4,729,110.60 = 1,953,681.20 : x
  2. Step 2: Convert to fraction form
    3,150,407.60/4,729,110.60 = 1,953,681.20/x
  3. Step 3: Cross multiply
    3,150,407.60x = 4,729,110.60 × 1,953,681.20
  4. Step 4: Simplify right side
    3,150,407.60x = 9,239,174,471,940.72
  5. Step 5: Solve for x
    x = 9,239,174,471,940.72/3,150,407.60
  6. Step 6: Final answer
    x = 2,932,691.78

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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.