Home / 3,139,701.40-4,707,248.10-1,245,506.20

Finding the Fourth Proportional to 3,139,701.40, 4,707,248.10 and 1,245,506.20

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Solution

The fourth proportional to 3,139,701.40, 4,707,248.10 and 1,245,506.20 is: 1,867,345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,701.40 : 4,707,248.10 = 1,245,506.20 : x
  2. Step 2: Convert to fraction form
    3,139,701.40/4,707,248.10 = 1,245,506.20/x
  3. Step 3: Cross multiply
    3,139,701.40x = 4,707,248.10 × 1,245,506.20
  4. Step 4: Simplify right side
    3,139,701.40x = 5,862,906,693,488.22
  5. Step 5: Solve for x
    x = 5,862,906,693,488.22/3,139,701.40
  6. Step 6: Final answer
    x = 1,867,345.31

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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.