Home / 4,429,886.60-6,644,829.90-4,387,896.20

Finding the Fourth Proportional to 4,429,886.60, 6,644,829.90 and 4,387,896.20

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Solution

The fourth proportional to 4,429,886.60, 6,644,829.90 and 4,387,896.20 is: 6,581,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429,886.60 : 6,644,829.90 = 4,387,896.20 : x
  2. Step 2: Convert to fraction form
    4,429,886.60/6,644,829.90 = 4,387,896.20/x
  3. Step 3: Cross multiply
    4,429,886.60x = 6,644,829.90 × 4,387,896.20
  4. Step 4: Simplify right side
    4,429,886.60x = 29,156,823,867,856.38
  5. Step 5: Solve for x
    x = 29,156,823,867,856.38/4,429,886.60
  6. Step 6: Final answer
    x = 6,581,844.30

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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.