Home / 2,802,815.88-3,867,885.78-1,513,656.36

Finding the Fourth Proportional to 2,802,815.88, 3,867,885.78 and 1,513,656.36

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Solution

The fourth proportional to 2,802,815.88, 3,867,885.78 and 1,513,656.36 is: 2,088,845.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802,815.88 : 3,867,885.78 = 1,513,656.36 : x
  2. Step 2: Convert to fraction form
    2,802,815.88/3,867,885.78 = 1,513,656.36/x
  3. Step 3: Cross multiply
    2,802,815.88x = 3,867,885.78 × 1,513,656.36
  4. Step 4: Simplify right side
    2,802,815.88x = 5,854,649,910,650.56
  5. Step 5: Solve for x
    x = 5,854,649,910,650.56/2,802,815.88
  6. Step 6: Final answer
    x = 2,088,845.70

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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.