Home / 2,262,143.16-3,392,148.56-821,810.75

Finding the Fourth Proportional to 2,262,143.16, 3,392,148.56 and 821,810.75

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Solution

The fourth proportional to 2,262,143.16, 3,392,148.56 and 821,810.75 is: 1,232,328.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262,143.16 : 3,392,148.56 = 821,810.75 : x
  2. Step 2: Convert to fraction form
    2,262,143.16/3,392,148.56 = 821,810.75/x
  3. Step 3: Cross multiply
    2,262,143.16x = 3,392,148.56 × 821,810.75
  4. Step 4: Simplify right side
    2,262,143.16x = 2,787,704,131,135.22
  5. Step 5: Solve for x
    x = 2,787,704,131,135.22/2,262,143.16
  6. Step 6: Final answer
    x = 1,232,328.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.