Home / 3,468,020.89-4,785,760.74-1,919,189.38

Finding the Fourth Proportional to 3,468,020.89, 4,785,760.74 and 1,919,189.38

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Solution

The fourth proportional to 3,468,020.89, 4,785,760.74 and 1,919,189.38 is: 2,648,421.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468,020.89 : 4,785,760.74 = 1,919,189.38 : x
  2. Step 2: Convert to fraction form
    3,468,020.89/4,785,760.74 = 1,919,189.38/x
  3. Step 3: Cross multiply
    3,468,020.89x = 4,785,760.74 × 1,919,189.38
  4. Step 4: Simplify right side
    3,468,020.89x = 9,184,781,187,428.94
  5. Step 5: Solve for x
    x = 9,184,781,187,428.94/3,468,020.89
  6. Step 6: Final answer
    x = 2,648,421.53

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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.