Home / 3,280,560.20-4,920,840.30-1,931,337.80

Finding the Fourth Proportional to 3,280,560.20, 4,920,840.30 and 1,931,337.80

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Solution

The fourth proportional to 3,280,560.20, 4,920,840.30 and 1,931,337.80 is: 2,897,006.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,560.20 : 4,920,840.30 = 1,931,337.80 : x
  2. Step 2: Convert to fraction form
    3,280,560.20/4,920,840.30 = 1,931,337.80/x
  3. Step 3: Cross multiply
    3,280,560.20x = 4,920,840.30 × 1,931,337.80
  4. Step 4: Simplify right side
    3,280,560.20x = 9,503,804,879,153.34
  5. Step 5: Solve for x
    x = 9,503,804,879,153.34/3,280,560.20
  6. Step 6: Final answer
    x = 2,897,006.70

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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.