Home / 3,687,999.12-5,528,843.28-1,415,154.56

Finding the Fourth Proportional to 3,687,999.12, 5,528,843.28 and 1,415,154.56

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Solution

The fourth proportional to 3,687,999.12, 5,528,843.28 and 1,415,154.56 is: 2,121,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687,999.12 : 5,528,843.28 = 1,415,154.56 : x
  2. Step 2: Convert to fraction form
    3,687,999.12/5,528,843.28 = 1,415,154.56/x
  3. Step 3: Cross multiply
    3,687,999.12x = 5,528,843.28 × 1,415,154.56
  4. Step 4: Simplify right side
    3,687,999.12x = 7,824,167,779,217.36
  5. Step 5: Solve for x
    x = 7,824,167,779,217.36/3,687,999.12
  6. Step 6: Final answer
    x = 2,121,521.05

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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.