Home / 2,121,855.96-3,182,752.74-524,419.20

Finding the Fourth Proportional to 2,121,855.96, 3,182,752.74 and 524,419.20

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Solution

The fourth proportional to 2,121,855.96, 3,182,752.74 and 524,419.20 is: 786,621.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,855.96 : 3,182,752.74 = 524,419.20 : x
  2. Step 2: Convert to fraction form
    2,121,855.96/3,182,752.74 = 524,419.20/x
  3. Step 3: Cross multiply
    2,121,855.96x = 3,182,752.74 × 524,419.20
  4. Step 4: Simplify right side
    2,121,855.96x = 1,669,096,645,708.61
  5. Step 5: Solve for x
    x = 1,669,096,645,708.61/2,121,855.96
  6. Step 6: Final answer
    x = 786,621.09

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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.