Home / 3,281,407.20-4,922,110.80-885,621.60

Finding the Fourth Proportional to 3,281,407.20, 4,922,110.80 and 885,621.60

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Solution

The fourth proportional to 3,281,407.20, 4,922,110.80 and 885,621.60 is: 1,328,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,407.20 : 4,922,110.80 = 885,621.60 : x
  2. Step 2: Convert to fraction form
    3,281,407.20/4,922,110.80 = 885,621.60/x
  3. Step 3: Cross multiply
    3,281,407.20x = 4,922,110.80 × 885,621.60
  4. Step 4: Simplify right side
    3,281,407.20x = 4,359,127,642,073.28
  5. Step 5: Solve for x
    x = 4,359,127,642,073.28/3,281,407.20
  6. Step 6: Final answer
    x = 1,328,432.40

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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.