Home / 5,209,334.91-7,188,882.18-2,917,495.60

Finding the Fourth Proportional to 5,209,334.91, 7,188,882.18 and 2,917,495.60

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Solution

The fourth proportional to 5,209,334.91, 7,188,882.18 and 2,917,495.60 is: 4,026,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,334.91 : 7,188,882.18 = 2,917,495.60 : x
  2. Step 2: Convert to fraction form
    5,209,334.91/7,188,882.18 = 2,917,495.60/x
  3. Step 3: Cross multiply
    5,209,334.91x = 7,188,882.18 × 2,917,495.60
  4. Step 4: Simplify right side
    5,209,334.91x = 20,973,532,129,068.41
  5. Step 5: Solve for x
    x = 20,973,532,129,068.41/5,209,334.91
  6. Step 6: Final answer
    x = 4,026,143.93

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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.