Home / 3,485,184.40-5,220,778.20-1,987,526.80

Finding the Fourth Proportional to 3,485,184.40, 5,220,778.20 and 1,987,526.80

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Solution

The fourth proportional to 3,485,184.40, 5,220,778.20 and 1,987,526.80 is: 2,977,299.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,184.40 : 5,220,778.20 = 1,987,526.80 : x
  2. Step 2: Convert to fraction form
    3,485,184.40/5,220,778.20 = 1,987,526.80/x
  3. Step 3: Cross multiply
    3,485,184.40x = 5,220,778.20 × 1,987,526.80
  4. Step 4: Simplify right side
    3,485,184.40x = 10,376,436,589,355.76
  5. Step 5: Solve for x
    x = 10,376,436,589,355.76/3,485,184.40
  6. Step 6: Final answer
    x = 2,977,299.16

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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.