Home / 1,820,868.74-2,512,799.14-1,005,072.66

Finding the Fourth Proportional to 1,820,868.74, 2,512,799.14 and 1,005,072.66

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Solution

The fourth proportional to 1,820,868.74, 2,512,799.14 and 1,005,072.66 is: 1,387,000.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,868.74 : 2,512,799.14 = 1,005,072.66 : x
  2. Step 2: Convert to fraction form
    1,820,868.74/2,512,799.14 = 1,005,072.66/x
  3. Step 3: Cross multiply
    1,820,868.74x = 2,512,799.14 × 1,005,072.66
  4. Step 4: Simplify right side
    1,820,868.74x = 2,525,545,715,685.51
  5. Step 5: Solve for x
    x = 2,525,545,715,685.51/1,820,868.74
  6. Step 6: Final answer
    x = 1,387,000.42

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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.