Home / 2,127,046-3,189,878.88-706,720.72

Finding the Fourth Proportional to 2,127,046, 3,189,878.88 and 706,720.72

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Solution

The fourth proportional to 2,127,046, 3,189,878.88 and 706,720.72 is: 1,059,851.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,046 : 3,189,878.88 = 706,720.72 : x
  2. Step 2: Convert to fraction form
    2,127,046/3,189,878.88 = 706,720.72/x
  3. Step 3: Cross multiply
    2,127,046x = 3,189,878.88 × 706,720.72
  4. Step 4: Simplify right side
    2,127,046x = 2,254,353,498,786.39
  5. Step 5: Solve for x
    x = 2,254,353,498,786.39/2,127,046
  6. Step 6: Final answer
    x = 1,059,851.78

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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.