Home / 3,478,474.60-5,217,711.90-2,880,111.40

Finding the Fourth Proportional to 3,478,474.60, 5,217,711.90 and 2,880,111.40

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Solution

The fourth proportional to 3,478,474.60, 5,217,711.90 and 2,880,111.40 is: 4,320,167.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,474.60 : 5,217,711.90 = 2,880,111.40 : x
  2. Step 2: Convert to fraction form
    3,478,474.60/5,217,711.90 = 2,880,111.40/x
  3. Step 3: Cross multiply
    3,478,474.60x = 5,217,711.90 × 2,880,111.40
  4. Step 4: Simplify right side
    3,478,474.60x = 15,027,591,525,105.66
  5. Step 5: Solve for x
    x = 15,027,591,525,105.66/3,478,474.60
  6. Step 6: Final answer
    x = 4,320,167.10

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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.