Home / 2,778,746.31-4,167,536.27-783,735.75

Finding the Fourth Proportional to 2,778,746.31, 4,167,536.27 and 783,735.75

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Solution

The fourth proportional to 2,778,746.31, 4,167,536.27 and 783,735.75 is: 1,175,439.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,746.31 : 4,167,536.27 = 783,735.75 : x
  2. Step 2: Convert to fraction form
    2,778,746.31/4,167,536.27 = 783,735.75/x
  3. Step 3: Cross multiply
    2,778,746.31x = 4,167,536.27 × 783,735.75
  4. Step 4: Simplify right side
    2,778,746.31x = 3,266,247,160,301.97
  5. Step 5: Solve for x
    x = 3,266,247,160,301.97/2,778,746.31
  6. Step 6: Final answer
    x = 1,175,439.14

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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.