Home / 1,820,963.66-2,512,930.34-1,005,167.86

Finding the Fourth Proportional to 1,820,963.66, 2,512,930.34 and 1,005,167.86

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Solution

The fourth proportional to 1,820,963.66, 2,512,930.34 and 1,005,167.86 is: 1,387,131.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,963.66 : 2,512,930.34 = 1,005,167.86 : x
  2. Step 2: Convert to fraction form
    1,820,963.66/2,512,930.34 = 1,005,167.86/x
  3. Step 3: Cross multiply
    1,820,963.66x = 2,512,930.34 × 1,005,167.86
  4. Step 4: Simplify right side
    1,820,963.66x = 2,525,916,808,417.47
  5. Step 5: Solve for x
    x = 2,525,916,808,417.47/1,820,963.66
  6. Step 6: Final answer
    x = 1,387,131.92

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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.