Home / 3,915,377.88-5,403,258.32-2,196,535.30

Finding the Fourth Proportional to 3,915,377.88, 5,403,258.32 and 2,196,535.30

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Solution

The fourth proportional to 3,915,377.88, 5,403,258.32 and 2,196,535.30 is: 3,031,239.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,377.88 : 5,403,258.32 = 2,196,535.30 : x
  2. Step 2: Convert to fraction form
    3,915,377.88/5,403,258.32 = 2,196,535.30/x
  3. Step 3: Cross multiply
    3,915,377.88x = 5,403,258.32 × 2,196,535.30
  4. Step 4: Simplify right side
    3,915,377.88x = 11,868,447,634,898.70
  5. Step 5: Solve for x
    x = 11,868,447,634,898.70/3,915,377.88
  6. Step 6: Final answer
    x = 3,031,239.38

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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.