Home / 3,280,501.20-4,920,751.80-3,191,927.70

Finding the Fourth Proportional to 3,280,501.20, 4,920,751.80 and 3,191,927.70

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Solution

The fourth proportional to 3,280,501.20, 4,920,751.80 and 3,191,927.70 is: 4,787,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,501.20 : 4,920,751.80 = 3,191,927.70 : x
  2. Step 2: Convert to fraction form
    3,280,501.20/4,920,751.80 = 3,191,927.70/x
  3. Step 3: Cross multiply
    3,280,501.20x = 4,920,751.80 × 3,191,927.70
  4. Step 4: Simplify right side
    3,280,501.20x = 15,706,683,975,244.86
  5. Step 5: Solve for x
    x = 15,706,683,975,244.86/3,280,501.20
  6. Step 6: Final answer
    x = 4,787,891.55

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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.