Home / 3,422,805-4,723,291.28-1,873,769.72

Finding the Fourth Proportional to 3,422,805, 4,723,291.28 and 1,873,769.72

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Solution

The fourth proportional to 3,422,805, 4,723,291.28 and 1,873,769.72 is: 2,585,703.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422,805 : 4,723,291.28 = 1,873,769.72 : x
  2. Step 2: Convert to fraction form
    3,422,805/4,723,291.28 = 1,873,769.72/x
  3. Step 3: Cross multiply
    3,422,805x = 4,723,291.28 × 1,873,769.72
  4. Step 4: Simplify right side
    3,422,805x = 8,850,360,146,218.74
  5. Step 5: Solve for x
    x = 8,850,360,146,218.74/3,422,805
  6. Step 6: Final answer
    x = 2,585,703.87

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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.