Home / 4,420,991.76-6,631,487.25-1,226,117.90

Finding the Fourth Proportional to 4,420,991.76, 6,631,487.25 and 1,226,117.90

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Solution

The fourth proportional to 4,420,991.76, 6,631,487.25 and 1,226,117.90 is: 1,839,176.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420,991.76 : 6,631,487.25 = 1,226,117.90 : x
  2. Step 2: Convert to fraction form
    4,420,991.76/6,631,487.25 = 1,226,117.90/x
  3. Step 3: Cross multiply
    4,420,991.76x = 6,631,487.25 × 1,226,117.90
  4. Step 4: Simplify right side
    4,420,991.76x = 8,130,985,220,846.78
  5. Step 5: Solve for x
    x = 8,130,985,220,846.78/4,420,991.76
  6. Step 6: Final answer
    x = 1,839,176.74

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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.