Home / 1,820,877.27-2,512,810.77-1,005,081.17

Finding the Fourth Proportional to 1,820,877.27, 2,512,810.77 and 1,005,081.17

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Solution

The fourth proportional to 1,820,877.27, 2,512,810.77 and 1,005,081.17 is: 1,387,012.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,877.27 : 2,512,810.77 = 1,005,081.17 : x
  2. Step 2: Convert to fraction form
    1,820,877.27/2,512,810.77 = 1,005,081.17/x
  3. Step 3: Cross multiply
    1,820,877.27x = 2,512,810.77 × 1,005,081.17
  4. Step 4: Simplify right side
    1,820,877.27x = 2,525,578,781,907.45
  5. Step 5: Solve for x
    x = 2,525,578,781,907.45/1,820,877.27
  6. Step 6: Final answer
    x = 1,387,012.08

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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.