Home / 5,209,335.19-7,188,882.57-2,917,495.88

Finding the Fourth Proportional to 5,209,335.19, 7,188,882.57 and 2,917,495.88

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Solution

The fourth proportional to 5,209,335.19, 7,188,882.57 and 2,917,495.88 is: 4,026,144.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,335.19 : 7,188,882.57 = 2,917,495.88 : x
  2. Step 2: Convert to fraction form
    5,209,335.19/7,188,882.57 = 2,917,495.88/x
  3. Step 3: Cross multiply
    5,209,335.19x = 7,188,882.57 × 2,917,495.88
  4. Step 4: Simplify right side
    5,209,335.19x = 20,973,535,279,778.81
  5. Step 5: Solve for x
    x = 20,973,535,279,778.81/5,209,335.19
  6. Step 6: Final answer
    x = 4,026,144.32

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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.