Home / 3,640,221.20-5,460,331.80-2,931,633.20

Finding the Fourth Proportional to 3,640,221.20, 5,460,331.80 and 2,931,633.20

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Solution

The fourth proportional to 3,640,221.20, 5,460,331.80 and 2,931,633.20 is: 4,397,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,221.20 : 5,460,331.80 = 2,931,633.20 : x
  2. Step 2: Convert to fraction form
    3,640,221.20/5,460,331.80 = 2,931,633.20/x
  3. Step 3: Cross multiply
    3,640,221.20x = 5,460,331.80 × 2,931,633.20
  4. Step 4: Simplify right side
    3,640,221.20x = 16,007,689,987,895.76
  5. Step 5: Solve for x
    x = 16,007,689,987,895.76/3,640,221.20
  6. Step 6: Final answer
    x = 4,397,449.80

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1.5x scale

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.