Home / 1,821,165.12-2,513,215.91-1,005,375.51

Finding the Fourth Proportional to 1,821,165.12, 2,513,215.91 and 1,005,375.51

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Solution

The fourth proportional to 1,821,165.12, 2,513,215.91 and 1,005,375.51 is: 1,387,422.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,165.12 : 2,513,215.91 = 1,005,375.51 : x
  2. Step 2: Convert to fraction form
    1,821,165.12/2,513,215.91 = 1,005,375.51/x
  3. Step 3: Cross multiply
    1,821,165.12x = 2,513,215.91 × 1,005,375.51
  4. Step 4: Simplify right side
    1,821,165.12x = 2,526,725,727,256.36
  5. Step 5: Solve for x
    x = 2,526,725,727,256.36/1,821,165.12
  6. Step 6: Final answer
    x = 1,387,422.64

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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.