Home / 3,815,878.28-5,723,820.65-1,419,412.28

Finding the Fourth Proportional to 3,815,878.28, 5,723,820.65 and 1,419,412.28

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Solution

The fourth proportional to 3,815,878.28, 5,723,820.65 and 1,419,412.28 is: 2,129,119.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815,878.28 : 5,723,820.65 = 1,419,412.28 : x
  2. Step 2: Convert to fraction form
    3,815,878.28/5,723,820.65 = 1,419,412.28/x
  3. Step 3: Cross multiply
    3,815,878.28x = 5,723,820.65 × 1,419,412.28
  4. Step 4: Simplify right side
    3,815,878.28x = 8,124,461,294,057.01
  5. Step 5: Solve for x
    x = 8,124,461,294,057.01/3,815,878.28
  6. Step 6: Final answer
    x = 2,129,119.62

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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.