Home / 4,005,308.76-6,008,332.50-1,309,647.78

Finding the Fourth Proportional to 4,005,308.76, 6,008,332.50 and 1,309,647.78

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Solution

The fourth proportional to 4,005,308.76, 6,008,332.50 and 1,309,647.78 is: 1,964,592.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005,308.76 : 6,008,332.50 = 1,309,647.78 : x
  2. Step 2: Convert to fraction form
    4,005,308.76/6,008,332.50 = 1,309,647.78/x
  3. Step 3: Cross multiply
    4,005,308.76x = 6,008,332.50 × 1,309,647.78
  4. Step 4: Simplify right side
    4,005,308.76x = 7,868,799,320,126.85
  5. Step 5: Solve for x
    x = 7,868,799,320,126.85/4,005,308.76
  6. Step 6: Final answer
    x = 1,964,592.44

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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.