Home / 5,135,615.31-7,087,147.52-2,843,775.39

Finding the Fourth Proportional to 5,135,615.31, 7,087,147.52 and 2,843,775.39

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Solution

The fourth proportional to 5,135,615.31, 7,087,147.52 and 2,843,775.39 is: 3,924,409.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135,615.31 : 7,087,147.52 = 2,843,775.39 : x
  2. Step 2: Convert to fraction form
    5,135,615.31/7,087,147.52 = 2,843,775.39/x
  3. Step 3: Cross multiply
    5,135,615.31x = 7,087,147.52 × 2,843,775.39
  4. Step 4: Simplify right side
    5,135,615.31x = 20,154,255,688,456.66
  5. Step 5: Solve for x
    x = 20,154,255,688,456.66/5,135,615.31
  6. Step 6: Final answer
    x = 3,924,409.15

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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.