Home / 3,280,523.20-4,920,784.80-3,170,298.40

Finding the Fourth Proportional to 3,280,523.20, 4,920,784.80 and 3,170,298.40

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Solution

The fourth proportional to 3,280,523.20, 4,920,784.80 and 3,170,298.40 is: 4,755,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,523.20 : 4,920,784.80 = 3,170,298.40 : x
  2. Step 2: Convert to fraction form
    3,280,523.20/4,920,784.80 = 3,170,298.40/x
  3. Step 3: Cross multiply
    3,280,523.20x = 4,920,784.80 × 3,170,298.40
  4. Step 4: Simplify right side
    3,280,523.20x = 15,600,356,178,184.32
  5. Step 5: Solve for x
    x = 15,600,356,178,184.32/3,280,523.20
  6. Step 6: Final answer
    x = 4,755,447.60

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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.