Home / 2,661,205.20-3,991,030.20-955,150.80

Finding the Fourth Proportional to 2,661,205.20, 3,991,030.20 and 955,150.80

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Solution

The fourth proportional to 2,661,205.20, 3,991,030.20 and 955,150.80 is: 1,432,447.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,205.20 : 3,991,030.20 = 955,150.80 : x
  2. Step 2: Convert to fraction form
    2,661,205.20/3,991,030.20 = 955,150.80/x
  3. Step 3: Cross multiply
    2,661,205.20x = 3,991,030.20 × 955,150.80
  4. Step 4: Simplify right side
    2,661,205.20x = 3,812,035,688,354.16
  5. Step 5: Solve for x
    x = 3,812,035,688,354.16/2,661,205.20
  6. Step 6: Final answer
    x = 1,432,447.11

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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.