Home / 1,770,186.20-2,655,279.30-1,210,314.20

Finding the Fourth Proportional to 1,770,186.20, 2,655,279.30 and 1,210,314.20

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Solution

The fourth proportional to 1,770,186.20, 2,655,279.30 and 1,210,314.20 is: 1,815,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770,186.20 : 2,655,279.30 = 1,210,314.20 : x
  2. Step 2: Convert to fraction form
    1,770,186.20/2,655,279.30 = 1,210,314.20/x
  3. Step 3: Cross multiply
    1,770,186.20x = 2,655,279.30 × 1,210,314.20
  4. Step 4: Simplify right side
    1,770,186.20x = 3,213,722,241,756.06
  5. Step 5: Solve for x
    x = 3,213,722,241,756.06/1,770,186.20
  6. Step 6: Final answer
    x = 1,815,471.30

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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.