Home / 1,943,944.32-2,916,124.16-822,126.72

Finding the Fourth Proportional to 1,943,944.32, 2,916,124.16 and 822,126.72

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Solution

The fourth proportional to 1,943,944.32, 2,916,124.16 and 822,126.72 is: 1,233,277.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,944.32 : 2,916,124.16 = 822,126.72 : x
  2. Step 2: Convert to fraction form
    1,943,944.32/2,916,124.16 = 822,126.72/x
  3. Step 3: Cross multiply
    1,943,944.32x = 2,916,124.16 × 822,126.72
  4. Step 4: Simplify right side
    1,943,944.32x = 2,397,423,590,773.56
  5. Step 5: Solve for x
    x = 2,397,423,590,773.56/1,943,944.32
  6. Step 6: Final answer
    x = 1,233,277.91

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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.