Home / 1,878,264-2,816,841.90-798,774.51

Finding the Fourth Proportional to 1,878,264, 2,816,841.90 and 798,774.51

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Solution

The fourth proportional to 1,878,264, 2,816,841.90 and 798,774.51 is: 1,197,926.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,264 : 2,816,841.90 = 798,774.51 : x
  2. Step 2: Convert to fraction form
    1,878,264/2,816,841.90 = 798,774.51/x
  3. Step 3: Cross multiply
    1,878,264x = 2,816,841.90 × 798,774.51
  4. Step 4: Simplify right side
    1,878,264x = 2,250,021,508,419.97
  5. Step 5: Solve for x
    x = 2,250,021,508,419.97/1,878,264
  6. Step 6: Final answer
    x = 1,197,926.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.