Home / 3,840,407.61-5,299,923.51-2,208,815.43

Finding the Fourth Proportional to 3,840,407.61, 5,299,923.51 and 2,208,815.43

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Solution

The fourth proportional to 3,840,407.61, 5,299,923.51 and 2,208,815.43 is: 3,048,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,407.61 : 5,299,923.51 = 2,208,815.43 : x
  2. Step 2: Convert to fraction form
    3,840,407.61/5,299,923.51 = 2,208,815.43/x
  3. Step 3: Cross multiply
    3,840,407.61x = 5,299,923.51 × 2,208,815.43
  4. Step 4: Simplify right side
    3,840,407.61x = 11,706,552,826,707.76
  5. Step 5: Solve for x
    x = 11,706,552,826,707.76/3,840,407.61
  6. Step 6: Final answer
    x = 3,048,257.90

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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.