Home / 1,820,878.29-2,512,798.19-1,005,081.87

Finding the Fourth Proportional to 1,820,878.29, 2,512,798.19 and 1,005,081.87

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Solution

The fourth proportional to 1,820,878.29, 2,512,798.19 and 1,005,081.87 is: 1,387,005.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,878.29 : 2,512,798.19 = 1,005,081.87 : x
  2. Step 2: Convert to fraction form
    1,820,878.29/2,512,798.19 = 1,005,081.87/x
  3. Step 3: Cross multiply
    1,820,878.29x = 2,512,798.19 × 1,005,081.87
  4. Step 4: Simplify right side
    1,820,878.29x = 2,525,567,898,712.41
  5. Step 5: Solve for x
    x = 2,525,567,898,712.41/1,820,878.29
  6. Step 6: Final answer
    x = 1,387,005.33

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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.