Home / 2,138,691.09-3,208,184.25-622,386.59

Finding the Fourth Proportional to 2,138,691.09, 3,208,184.25 and 622,386.59

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Solution

The fourth proportional to 2,138,691.09, 3,208,184.25 and 622,386.59 is: 933,622.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,691.09 : 3,208,184.25 = 622,386.59 : x
  2. Step 2: Convert to fraction form
    2,138,691.09/3,208,184.25 = 622,386.59/x
  3. Step 3: Cross multiply
    2,138,691.09x = 3,208,184.25 × 622,386.59
  4. Step 4: Simplify right side
    2,138,691.09x = 1,996,730,837,074.34
  5. Step 5: Solve for x
    x = 1,996,730,837,074.34/2,138,691.09
  6. Step 6: Final answer
    x = 933,622.83

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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.