Home / 3,468,019.89-4,785,759.36-1,919,188.38

Finding the Fourth Proportional to 3,468,019.89, 4,785,759.36 and 1,919,188.38

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Solution

The fourth proportional to 3,468,019.89, 4,785,759.36 and 1,919,188.38 is: 2,648,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468,019.89 : 4,785,759.36 = 1,919,188.38 : x
  2. Step 2: Convert to fraction form
    3,468,019.89/4,785,759.36 = 1,919,188.38/x
  3. Step 3: Cross multiply
    3,468,019.89x = 4,785,759.36 × 1,919,188.38
  4. Step 4: Simplify right side
    3,468,019.89x = 9,184,773,753,188.24
  5. Step 5: Solve for x
    x = 9,184,773,753,188.24/3,468,019.89
  6. Step 6: Final answer
    x = 2,648,420.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.