Home / 1,820,965.56-2,512,932.96-1,005,169.74

Finding the Fourth Proportional to 1,820,965.56, 2,512,932.96 and 1,005,169.74

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Solution

The fourth proportional to 1,820,965.56, 2,512,932.96 and 1,005,169.74 is: 1,387,134.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,965.56 : 2,512,932.96 = 1,005,169.74 : x
  2. Step 2: Convert to fraction form
    1,820,965.56/2,512,932.96 = 1,005,169.74/x
  3. Step 3: Cross multiply
    1,820,965.56x = 2,512,932.96 × 1,005,169.74
  4. Step 4: Simplify right side
    1,820,965.56x = 2,525,924,170,040.63
  5. Step 5: Solve for x
    x = 2,525,924,170,040.63/1,820,965.56
  6. Step 6: Final answer
    x = 1,387,134.51

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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.