Home / 5,639,014.26-7,781,631-3,060,639.78

Finding the Fourth Proportional to 5,639,014.26, 7,781,631 and 3,060,639.78

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Solution

The fourth proportional to 5,639,014.26, 7,781,631 and 3,060,639.78 is: 4,223,569.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639,014.26 : 7,781,631 = 3,060,639.78 : x
  2. Step 2: Convert to fraction form
    5,639,014.26/7,781,631 = 3,060,639.78/x
  3. Step 3: Cross multiply
    5,639,014.26x = 7,781,631 × 3,060,639.78
  4. Step 4: Simplify right side
    5,639,014.26x = 23,816,769,391,881.18
  5. Step 5: Solve for x
    x = 23,816,769,391,881.18/5,639,014.26
  6. Step 6: Final answer
    x = 4,223,569.63

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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.