Home / 3,654,627.93-5,043,398.09-1,978,210.89

Finding the Fourth Proportional to 3,654,627.93, 5,043,398.09 and 1,978,210.89

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Solution

The fourth proportional to 3,654,627.93, 5,043,398.09 and 1,978,210.89 is: 2,729,937.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654,627.93 : 5,043,398.09 = 1,978,210.89 : x
  2. Step 2: Convert to fraction form
    3,654,627.93/5,043,398.09 = 1,978,210.89/x
  3. Step 3: Cross multiply
    3,654,627.93x = 5,043,398.09 × 1,978,210.89
  4. Step 4: Simplify right side
    3,654,627.93x = 9,976,905,014,352.15
  5. Step 5: Solve for x
    x = 9,976,905,014,352.15/3,654,627.93
  6. Step 6: Final answer
    x = 2,729,937.28

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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.