Home / 2,113,647.40-3,170,471.10-693,749.80

Finding the Fourth Proportional to 2,113,647.40, 3,170,471.10 and 693,749.80

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Solution

The fourth proportional to 2,113,647.40, 3,170,471.10 and 693,749.80 is: 1,040,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,647.40 : 3,170,471.10 = 693,749.80 : x
  2. Step 2: Convert to fraction form
    2,113,647.40/3,170,471.10 = 693,749.80/x
  3. Step 3: Cross multiply
    2,113,647.40x = 3,170,471.10 × 693,749.80
  4. Step 4: Simplify right side
    2,113,647.40x = 2,199,513,691,530.78
  5. Step 5: Solve for x
    x = 2,199,513,691,530.78/2,113,647.40
  6. Step 6: Final answer
    x = 1,040,624.70

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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.