Home / 2,290,624.40-3,428,938.20-1,786,739.60

Finding the Fourth Proportional to 2,290,624.40, 3,428,938.20 and 1,786,739.60

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Solution

The fourth proportional to 2,290,624.40, 3,428,938.20 and 1,786,739.60 is: 2,674,650.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,624.40 : 3,428,938.20 = 1,786,739.60 : x
  2. Step 2: Convert to fraction form
    2,290,624.40/3,428,938.20 = 1,786,739.60/x
  3. Step 3: Cross multiply
    2,290,624.40x = 3,428,938.20 × 1,786,739.60
  4. Step 4: Simplify right side
    2,290,624.40x = 6,126,619,667,892.72
  5. Step 5: Solve for x
    x = 6,126,619,667,892.72/2,290,624.40
  6. Step 6: Final answer
    x = 2,674,650.49

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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.