Home / 1,820,929.51-2,512,882.34-1,005,132.97

Finding the Fourth Proportional to 1,820,929.51, 2,512,882.34 and 1,005,132.97

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Solution

The fourth proportional to 1,820,929.51, 2,512,882.34 and 1,005,132.97 is: 1,387,083.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,929.51 : 2,512,882.34 = 1,005,132.97 : x
  2. Step 2: Convert to fraction form
    1,820,929.51/2,512,882.34 = 1,005,132.97/x
  3. Step 3: Cross multiply
    1,820,929.51x = 2,512,882.34 × 1,005,132.97
  4. Step 4: Simplify right side
    1,820,929.51x = 2,525,780,885,895.38
  5. Step 5: Solve for x
    x = 2,525,780,885,895.38/1,820,929.51
  6. Step 6: Final answer
    x = 1,387,083.28

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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.