Home / 2,107,890.81-3,159,898.74-759,723.48

Finding the Fourth Proportional to 2,107,890.81, 3,159,898.74 and 759,723.48

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Solution

The fourth proportional to 2,107,890.81, 3,159,898.74 and 759,723.48 is: 1,138,886.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,890.81 : 3,159,898.74 = 759,723.48 : x
  2. Step 2: Convert to fraction form
    2,107,890.81/3,159,898.74 = 759,723.48/x
  3. Step 3: Cross multiply
    2,107,890.81x = 3,159,898.74 × 759,723.48
  4. Step 4: Simplify right side
    2,107,890.81x = 2,400,649,267,200.42
  5. Step 5: Solve for x
    x = 2,400,649,267,200.42/2,107,890.81
  6. Step 6: Final answer
    x = 1,138,886.92

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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.