Home / 3,280,509.60-4,920,764.40-2,682,146.40

Finding the Fourth Proportional to 3,280,509.60, 4,920,764.40 and 2,682,146.40

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Solution

The fourth proportional to 3,280,509.60, 4,920,764.40 and 2,682,146.40 is: 4,023,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,509.60 : 4,920,764.40 = 2,682,146.40 : x
  2. Step 2: Convert to fraction form
    3,280,509.60/4,920,764.40 = 2,682,146.40/x
  3. Step 3: Cross multiply
    3,280,509.60x = 4,920,764.40 × 2,682,146.40
  4. Step 4: Simplify right side
    3,280,509.60x = 13,198,210,520,708.16
  5. Step 5: Solve for x
    x = 13,198,210,520,708.16/3,280,509.60
  6. Step 6: Final answer
    x = 4,023,219.60

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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.