Home / 3,996,714.51-5,515,329.56-2,278,388.61

Finding the Fourth Proportional to 3,996,714.51, 5,515,329.56 and 2,278,388.61

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Solution

The fourth proportional to 3,996,714.51, 5,515,329.56 and 2,278,388.61 is: 3,144,098.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996,714.51 : 5,515,329.56 = 2,278,388.61 : x
  2. Step 2: Convert to fraction form
    3,996,714.51/5,515,329.56 = 2,278,388.61/x
  3. Step 3: Cross multiply
    3,996,714.51x = 5,515,329.56 × 2,278,388.61
  4. Step 4: Simplify right side
    3,996,714.51x = 12,566,064,038,508.37
  5. Step 5: Solve for x
    x = 12,566,064,038,508.37/3,996,714.51
  6. Step 6: Final answer
    x = 3,144,098.49

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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.