Home / 4,680,646.20-7,026,218.10-3,620,388.60

Finding the Fourth Proportional to 4,680,646.20, 7,026,218.10 and 3,620,388.60

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Solution

The fourth proportional to 4,680,646.20, 7,026,218.10 and 3,620,388.60 is: 5,434,642.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,646.20 : 7,026,218.10 = 3,620,388.60 : x
  2. Step 2: Convert to fraction form
    4,680,646.20/7,026,218.10 = 3,620,388.60/x
  3. Step 3: Cross multiply
    4,680,646.20x = 7,026,218.10 × 3,620,388.60
  4. Step 4: Simplify right side
    4,680,646.20x = 25,437,639,910,353.66
  5. Step 5: Solve for x
    x = 25,437,639,910,353.66/4,680,646.20
  6. Step 6: Final answer
    x = 5,434,642.74

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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.