Home / 3,909,525.47-5,394,873.00-2,167,178.11

Finding the Fourth Proportional to 3,909,525.47, 5,394,873.00 and 2,167,178.11

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Solution

The fourth proportional to 3,909,525.47, 5,394,873.00 and 2,167,178.11 is: 2,990,554.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909,525.47 : 5,394,873.00 = 2,167,178.11 : x
  2. Step 2: Convert to fraction form
    3,909,525.47/5,394,873.00 = 2,167,178.11/x
  3. Step 3: Cross multiply
    3,909,525.47x = 5,394,873.00 × 2,167,178.11
  4. Step 4: Simplify right side
    3,909,525.47x = 11,691,650,663,358.47
  5. Step 5: Solve for x
    x = 11,691,650,663,358.47/3,909,525.47
  6. Step 6: Final answer
    x = 2,990,554.93

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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.