Home / 3,915,378.38-5,403,259.01-2,196,535.80

Finding the Fourth Proportional to 3,915,378.38, 5,403,259.01 and 2,196,535.80

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Solution

The fourth proportional to 3,915,378.38, 5,403,259.01 and 2,196,535.80 is: 3,031,240.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,378.38 : 5,403,259.01 = 2,196,535.80 : x
  2. Step 2: Convert to fraction form
    3,915,378.38/5,403,259.01 = 2,196,535.80/x
  3. Step 3: Cross multiply
    3,915,378.38x = 5,403,259.01 × 2,196,535.80
  4. Step 4: Simplify right side
    3,915,378.38x = 11,868,451,852,137.56
  5. Step 5: Solve for x
    x = 11,868,451,852,137.56/3,915,378.38
  6. Step 6: Final answer
    x = 3,031,240.07

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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.