Home / 2,078,189.20-3,117,575.40-658,097.20

Finding the Fourth Proportional to 2,078,189.20, 3,117,575.40 and 658,097.20

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Solution

The fourth proportional to 2,078,189.20, 3,117,575.40 and 658,097.20 is: 987,238.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,189.20 : 3,117,575.40 = 658,097.20 : x
  2. Step 2: Convert to fraction form
    2,078,189.20/3,117,575.40 = 658,097.20/x
  3. Step 3: Cross multiply
    2,078,189.20x = 3,117,575.40 × 658,097.20
  4. Step 4: Simplify right side
    2,078,189.20x = 2,051,667,641,528.88
  5. Step 5: Solve for x
    x = 2,051,667,641,528.88/2,078,189.20
  6. Step 6: Final answer
    x = 987,238.14

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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.