Home / 2,885,166.20-4,328,138.10-992,487.80

Finding the Fourth Proportional to 2,885,166.20, 4,328,138.10 and 992,487.80

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Solution

The fourth proportional to 2,885,166.20, 4,328,138.10 and 992,487.80 is: 1,488,865.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,166.20 : 4,328,138.10 = 992,487.80 : x
  2. Step 2: Convert to fraction form
    2,885,166.20/4,328,138.10 = 992,487.80/x
  3. Step 3: Cross multiply
    2,885,166.20x = 4,328,138.10 × 992,487.80
  4. Step 4: Simplify right side
    2,885,166.20x = 4,295,624,260,965.18
  5. Step 5: Solve for x
    x = 4,295,624,260,965.18/2,885,166.20
  6. Step 6: Final answer
    x = 1,488,865.45

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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.