Home / 5,147,539-7,721,114.64-1,553,210.44

Finding the Fourth Proportional to 5,147,539, 7,721,114.64 and 1,553,210.44

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Solution

The fourth proportional to 5,147,539, 7,721,114.64 and 1,553,210.44 is: 2,329,757.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,539 : 7,721,114.64 = 1,553,210.44 : x
  2. Step 2: Convert to fraction form
    5,147,539/7,721,114.64 = 1,553,210.44/x
  3. Step 3: Cross multiply
    5,147,539x = 7,721,114.64 × 1,553,210.44
  4. Step 4: Simplify right side
    5,147,539x = 11,992,515,867,284.84
  5. Step 5: Solve for x
    x = 11,992,515,867,284.84/5,147,539
  6. Step 6: Final answer
    x = 2,329,757.16

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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.