Home / 1,991,079.39-2,750,394.18-1,560,927.48

Finding the Fourth Proportional to 1,991,079.39, 2,750,394.18 and 1,560,927.48

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Solution

The fourth proportional to 1,991,079.39, 2,750,394.18 and 1,560,927.48 is: 2,156,200.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,079.39 : 2,750,394.18 = 1,560,927.48 : x
  2. Step 2: Convert to fraction form
    1,991,079.39/2,750,394.18 = 1,560,927.48/x
  3. Step 3: Cross multiply
    1,991,079.39x = 2,750,394.18 × 1,560,927.48
  4. Step 4: Simplify right side
    1,991,079.39x = 4,293,165,856,394.07
  5. Step 5: Solve for x
    x = 4,293,165,856,394.07/1,991,079.39
  6. Step 6: Final answer
    x = 2,156,200.24

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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.