Home / 2,172,714.03-2,998,205.69-1,205,844.98

Finding the Fourth Proportional to 2,172,714.03, 2,998,205.69 and 1,205,844.98

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Solution

The fourth proportional to 2,172,714.03, 2,998,205.69 and 1,205,844.98 is: 1,663,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,714.03 : 2,998,205.69 = 1,205,844.98 : x
  2. Step 2: Convert to fraction form
    2,172,714.03/2,998,205.69 = 1,205,844.98/x
  3. Step 3: Cross multiply
    2,172,714.03x = 2,998,205.69 × 1,205,844.98
  4. Step 4: Simplify right side
    2,172,714.03x = 3,615,371,259,273.68
  5. Step 5: Solve for x
    x = 3,615,371,259,273.68/2,172,714.03
  6. Step 6: Final answer
    x = 1,663,988.55

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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.