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Finding the Fourth Proportional to 3,499,462.89, 4,829,258.76 and 1,889,830.89

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Solution

The fourth proportional to 3,499,462.89, 4,829,258.76 and 1,889,830.89 is: 2,607,966.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499,462.89 : 4,829,258.76 = 1,889,830.89 : x
  2. Step 2: Convert to fraction form
    3,499,462.89/4,829,258.76 = 1,889,830.89/x
  3. Step 3: Cross multiply
    3,499,462.89x = 4,829,258.76 × 1,889,830.89
  4. Step 4: Simplify right side
    3,499,462.89x = 9,126,482,380,451.10
  5. Step 5: Solve for x
    x = 9,126,482,380,451.10/3,499,462.89
  6. Step 6: Final answer
    x = 2,607,966.61

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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.