Home / 3,122,123.22-4,306,952.05-2,089,674.27

Finding the Fourth Proportional to 3,122,123.22, 4,306,952.05 and 2,089,674.27

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Solution

The fourth proportional to 3,122,123.22, 4,306,952.05 and 2,089,674.27 is: 2,882,694.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,123.22 : 4,306,952.05 = 2,089,674.27 : x
  2. Step 2: Convert to fraction form
    3,122,123.22/4,306,952.05 = 2,089,674.27/x
  3. Step 3: Cross multiply
    3,122,123.22x = 4,306,952.05 × 2,089,674.27
  4. Step 4: Simplify right side
    3,122,123.22x = 9,000,126,875,784.57
  5. Step 5: Solve for x
    x = 9,000,126,875,784.57/3,122,123.22
  6. Step 6: Final answer
    x = 2,882,694.32

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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.