Home / 1,937,963.75-2,674,363.85-1,078,523.78

Finding the Fourth Proportional to 1,937,963.75, 2,674,363.85 and 1,078,523.78

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Solution

The fourth proportional to 1,937,963.75, 2,674,363.85 and 1,078,523.78 is: 1,488,348.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,963.75 : 2,674,363.85 = 1,078,523.78 : x
  2. Step 2: Convert to fraction form
    1,937,963.75/2,674,363.85 = 1,078,523.78/x
  3. Step 3: Cross multiply
    1,937,963.75x = 2,674,363.85 × 1,078,523.78
  4. Step 4: Simplify right side
    1,937,963.75x = 2,884,365,011,293.66
  5. Step 5: Solve for x
    x = 2,884,365,011,293.66/1,937,963.75
  6. Step 6: Final answer
    x = 1,488,348.28

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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.