Home / 3,280,510.20-4,920,765.30-916,606.20

Finding the Fourth Proportional to 3,280,510.20, 4,920,765.30 and 916,606.20

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Solution

The fourth proportional to 3,280,510.20, 4,920,765.30 and 916,606.20 is: 1,374,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,510.20 : 4,920,765.30 = 916,606.20 : x
  2. Step 2: Convert to fraction form
    3,280,510.20/4,920,765.30 = 916,606.20/x
  3. Step 3: Cross multiply
    3,280,510.20x = 4,920,765.30 × 916,606.20
  4. Step 4: Simplify right side
    3,280,510.20x = 4,510,403,982,724.86
  5. Step 5: Solve for x
    x = 4,510,403,982,724.86/3,280,510.20
  6. Step 6: Final answer
    x = 1,374,909.30

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1.5x scale

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.