Home / 3,833,983.74-5,290,897.26-2,115,104.28

Finding the Fourth Proportional to 3,833,983.74, 5,290,897.26 and 2,115,104.28

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Solution

The fourth proportional to 3,833,983.74, 5,290,897.26 and 2,115,104.28 is: 2,918,843.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833,983.74 : 5,290,897.26 = 2,115,104.28 : x
  2. Step 2: Convert to fraction form
    3,833,983.74/5,290,897.26 = 2,115,104.28/x
  3. Step 3: Cross multiply
    3,833,983.74x = 5,290,897.26 × 2,115,104.28
  4. Step 4: Simplify right side
    3,833,983.74x = 11,190,799,439,666.27
  5. Step 5: Solve for x
    x = 11,190,799,439,666.27/3,833,983.74
  6. Step 6: Final answer
    x = 2,918,843.74

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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.