Home / 5,639,022.81-7,781,643-3,060,648.63

Finding the Fourth Proportional to 5,639,022.81, 7,781,643 and 3,060,648.63

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Solution

The fourth proportional to 5,639,022.81, 7,781,643 and 3,060,648.63 is: 4,223,581.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639,022.81 : 7,781,643 = 3,060,648.63 : x
  2. Step 2: Convert to fraction form
    5,639,022.81/7,781,643 = 3,060,648.63/x
  3. Step 3: Cross multiply
    5,639,022.81x = 7,781,643 × 3,060,648.63
  4. Step 4: Simplify right side
    5,639,022.81x = 23,816,874,987,099.09
  5. Step 5: Solve for x
    x = 23,816,874,987,099.09/5,639,022.81
  6. Step 6: Final answer
    x = 4,223,581.96

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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.