Home / 3,181,686.38-4,390,727.92-1,750,902.38

Finding the Fourth Proportional to 3,181,686.38, 4,390,727.92 and 1,750,902.38

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Solution

The fourth proportional to 3,181,686.38, 4,390,727.92 and 1,750,902.38 is: 2,416,245.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,686.38 : 4,390,727.92 = 1,750,902.38 : x
  2. Step 2: Convert to fraction form
    3,181,686.38/4,390,727.92 = 1,750,902.38/x
  3. Step 3: Cross multiply
    3,181,686.38x = 4,390,727.92 × 1,750,902.38
  4. Step 4: Simplify right side
    3,181,686.38x = 7,687,735,938,729.56
  5. Step 5: Solve for x
    x = 7,687,735,938,729.56/3,181,686.38
  6. Step 6: Final answer
    x = 2,416,245.67

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1.5x scale

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.