Home / 3,915,381.38-5,403,263.16-2,196,538.80

Finding the Fourth Proportional to 3,915,381.38, 5,403,263.16 and 2,196,538.80

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Solution

The fourth proportional to 3,915,381.38, 5,403,263.16 and 2,196,538.80 is: 3,031,244.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,381.38 : 5,403,263.16 = 2,196,538.80 : x
  2. Step 2: Convert to fraction form
    3,915,381.38/5,403,263.16 = 2,196,538.80/x
  3. Step 3: Cross multiply
    3,915,381.38x = 5,403,263.16 × 2,196,538.80
  4. Step 4: Simplify right side
    3,915,381.38x = 11,868,477,177,550.61
  5. Step 5: Solve for x
    x = 11,868,477,177,550.61/3,915,381.38
  6. Step 6: Final answer
    x = 3,031,244.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.