Home / 2,099,402.38-3,149,603.30-679,458.46

Finding the Fourth Proportional to 2,099,402.38, 3,149,603.30 and 679,458.46

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Solution

The fourth proportional to 2,099,402.38, 3,149,603.30 and 679,458.46 is: 1,019,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,402.38 : 3,149,603.30 = 679,458.46 : x
  2. Step 2: Convert to fraction form
    2,099,402.38/3,149,603.30 = 679,458.46/x
  3. Step 3: Cross multiply
    2,099,402.38x = 3,149,603.30 × 679,458.46
  4. Step 4: Simplify right side
    2,099,402.38x = 2,140,024,607,828.92
  5. Step 5: Solve for x
    x = 2,140,024,607,828.92/2,099,402.38
  6. Step 6: Final answer
    x = 1,019,349.42

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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.