Home / 1,820,963.55-2,512,930.19-1,005,167.73

Finding the Fourth Proportional to 1,820,963.55, 2,512,930.19 and 1,005,167.73

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Solution

The fourth proportional to 1,820,963.55, 2,512,930.19 and 1,005,167.73 is: 1,387,131.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,963.55 : 2,512,930.19 = 1,005,167.73 : x
  2. Step 2: Convert to fraction form
    1,820,963.55/2,512,930.19 = 1,005,167.73/x
  3. Step 3: Cross multiply
    1,820,963.55x = 2,512,930.19 × 1,005,167.73
  4. Step 4: Simplify right side
    1,820,963.55x = 2,525,916,334,730.77
  5. Step 5: Solve for x
    x = 2,525,916,334,730.77/1,820,963.55
  6. Step 6: Final answer
    x = 1,387,131.74

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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.