Home / 3,139,700.40-4,707,246.60-1,245,505.20

Finding the Fourth Proportional to 3,139,700.40, 4,707,246.60 and 1,245,505.20

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Solution

The fourth proportional to 3,139,700.40, 4,707,246.60 and 1,245,505.20 is: 1,867,343.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,700.40 : 4,707,246.60 = 1,245,505.20 : x
  2. Step 2: Convert to fraction form
    3,139,700.40/4,707,246.60 = 1,245,505.20/x
  3. Step 3: Cross multiply
    3,139,700.40x = 4,707,246.60 × 1,245,505.20
  4. Step 4: Simplify right side
    3,139,700.40x = 5,862,900,117,982.32
  5. Step 5: Solve for x
    x = 5,862,900,117,982.32/3,139,700.40
  6. Step 6: Final answer
    x = 1,867,343.81

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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.