Home / 2,149,889.40-3,221,723.70-950,830.20

Finding the Fourth Proportional to 2,149,889.40, 3,221,723.70 and 950,830.20

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Solution

The fourth proportional to 2,149,889.40, 3,221,723.70 and 950,830.20 is: 1,424,869.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149,889.40 : 3,221,723.70 = 950,830.20 : x
  2. Step 2: Convert to fraction form
    2,149,889.40/3,221,723.70 = 950,830.20/x
  3. Step 3: Cross multiply
    2,149,889.40x = 3,221,723.70 × 950,830.20
  4. Step 4: Simplify right side
    2,149,889.40x = 3,063,312,190,015.74
  5. Step 5: Solve for x
    x = 3,063,312,190,015.74/2,149,889.40
  6. Step 6: Final answer
    x = 1,424,869.67

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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.