Home / 2,138,948.38-3,208,388.14-519,730.03

Finding the Fourth Proportional to 2,138,948.38, 3,208,388.14 and 519,730.03

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Solution

The fourth proportional to 2,138,948.38, 3,208,388.14 and 519,730.03 is: 779,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,948.38 : 3,208,388.14 = 519,730.03 : x
  2. Step 2: Convert to fraction form
    2,138,948.38/3,208,388.14 = 519,730.03/x
  3. Step 3: Cross multiply
    2,138,948.38x = 3,208,388.14 × 519,730.03
  4. Step 4: Simplify right side
    2,138,948.38x = 1,667,495,664,253.84
  5. Step 5: Solve for x
    x = 1,667,495,664,253.84/2,138,948.38
  6. Step 6: Final answer
    x = 779,586.68

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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.