Home / 3,945,045.69-5,917,905.45-1,386,038.34

Finding the Fourth Proportional to 3,945,045.69, 5,917,905.45 and 1,386,038.34

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Solution

The fourth proportional to 3,945,045.69, 5,917,905.45 and 1,386,038.34 is: 2,079,175.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,045.69 : 5,917,905.45 = 1,386,038.34 : x
  2. Step 2: Convert to fraction form
    3,945,045.69/5,917,905.45 = 1,386,038.34/x
  3. Step 3: Cross multiply
    3,945,045.69x = 5,917,905.45 × 1,386,038.34
  4. Step 4: Simplify right side
    3,945,045.69x = 8,202,443,846,194.95
  5. Step 5: Solve for x
    x = 8,202,443,846,194.95/3,945,045.69
  6. Step 6: Final answer
    x = 2,079,175.88

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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.