Home / 1,969,031.80-2,951,765.70-1,370,279.80

Finding the Fourth Proportional to 1,969,031.80, 2,951,765.70 and 1,370,279.80

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Solution

The fourth proportional to 1,969,031.80, 2,951,765.70 and 1,370,279.80 is: 2,054,179.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,031.80 : 2,951,765.70 = 1,370,279.80 : x
  2. Step 2: Convert to fraction form
    1,969,031.80/2,951,765.70 = 1,370,279.80/x
  3. Step 3: Cross multiply
    1,969,031.80x = 2,951,765.70 × 1,370,279.80
  4. Step 4: Simplify right side
    1,969,031.80x = 4,044,744,913,042.86
  5. Step 5: Solve for x
    x = 4,044,744,913,042.86/1,969,031.80
  6. Step 6: Final answer
    x = 2,054,179.58

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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.