Home / 3,280,489.60-4,920,734.40-1,037,315.20

Finding the Fourth Proportional to 3,280,489.60, 4,920,734.40 and 1,037,315.20

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Solution

The fourth proportional to 3,280,489.60, 4,920,734.40 and 1,037,315.20 is: 1,555,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,489.60 : 4,920,734.40 = 1,037,315.20 : x
  2. Step 2: Convert to fraction form
    3,280,489.60/4,920,734.40 = 1,037,315.20/x
  3. Step 3: Cross multiply
    3,280,489.60x = 4,920,734.40 × 1,037,315.20
  4. Step 4: Simplify right side
    3,280,489.60x = 5,104,352,588,282.88
  5. Step 5: Solve for x
    x = 5,104,352,588,282.88/3,280,489.60
  6. Step 6: Final answer
    x = 1,555,972.80

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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.