Home / 2,009,239.11-2,771,146.35-1,321,617.15

Finding the Fourth Proportional to 2,009,239.11, 2,771,146.35 and 1,321,617.15

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Solution

The fourth proportional to 2,009,239.11, 2,771,146.35 and 1,321,617.15 is: 1,822,776.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,239.11 : 2,771,146.35 = 1,321,617.15 : x
  2. Step 2: Convert to fraction form
    2,009,239.11/2,771,146.35 = 1,321,617.15/x
  3. Step 3: Cross multiply
    2,009,239.11x = 2,771,146.35 × 1,321,617.15
  4. Step 4: Simplify right side
    2,009,239.11x = 3,662,394,541,319.90
  5. Step 5: Solve for x
    x = 3,662,394,541,319.90/2,009,239.11
  6. Step 6: Final answer
    x = 1,822,776.85

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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.