Home / 3,301,621.20-4,949,551.80-1,281,243.60

Finding the Fourth Proportional to 3,301,621.20, 4,949,551.80 and 1,281,243.60

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Solution

The fourth proportional to 3,301,621.20, 4,949,551.80 and 1,281,243.60 is: 1,920,747.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301,621.20 : 4,949,551.80 = 1,281,243.60 : x
  2. Step 2: Convert to fraction form
    3,301,621.20/4,949,551.80 = 1,281,243.60/x
  3. Step 3: Cross multiply
    3,301,621.20x = 4,949,551.80 × 1,281,243.60
  4. Step 4: Simplify right side
    3,301,621.20x = 6,341,581,566,618.48
  5. Step 5: Solve for x
    x = 6,341,581,566,618.48/3,301,621.20
  6. Step 6: Final answer
    x = 1,920,747.77

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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.