Home / 3,903,295.65-5,386,432.31-2,161,042.70

Finding the Fourth Proportional to 3,903,295.65, 5,386,432.31 and 2,161,042.70

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Solution

The fourth proportional to 3,903,295.65, 5,386,432.31 and 2,161,042.70 is: 2,982,174.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903,295.65 : 5,386,432.31 = 2,161,042.70 : x
  2. Step 2: Convert to fraction form
    3,903,295.65/5,386,432.31 = 2,161,042.70/x
  3. Step 3: Cross multiply
    3,903,295.65x = 5,386,432.31 × 2,161,042.70
  4. Step 4: Simplify right side
    3,903,295.65x = 11,640,310,184,832.26
  5. Step 5: Solve for x
    x = 11,640,310,184,832.26/3,903,295.65
  6. Step 6: Final answer
    x = 2,982,174.87

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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.