Home / 5,358,428.78-7,395,265.64-3,182,980.52

Finding the Fourth Proportional to 5,358,428.78, 7,395,265.64 and 3,182,980.52

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Solution

The fourth proportional to 5,358,428.78, 7,395,265.64 and 3,182,980.52 is: 4,392,889.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358,428.78 : 7,395,265.64 = 3,182,980.52 : x
  2. Step 2: Convert to fraction form
    5,358,428.78/7,395,265.64 = 3,182,980.52/x
  3. Step 3: Cross multiply
    5,358,428.78x = 7,395,265.64 × 3,182,980.52
  4. Step 4: Simplify right side
    5,358,428.78x = 23,538,986,498,790.95
  5. Step 5: Solve for x
    x = 23,538,986,498,790.95/5,358,428.78
  6. Step 6: Final answer
    x = 4,392,889.69

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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.