Home / 2,891,898.42-3,990,711.15-1,602,760.74

Finding the Fourth Proportional to 2,891,898.42, 3,990,711.15 and 1,602,760.74

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Solution

The fourth proportional to 2,891,898.42, 3,990,711.15 and 1,602,760.74 is: 2,211,749.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,898.42 : 3,990,711.15 = 1,602,760.74 : x
  2. Step 2: Convert to fraction form
    2,891,898.42/3,990,711.15 = 1,602,760.74/x
  3. Step 3: Cross multiply
    2,891,898.42x = 3,990,711.15 × 1,602,760.74
  4. Step 4: Simplify right side
    2,891,898.42x = 6,396,155,155,900.25
  5. Step 5: Solve for x
    x = 6,396,155,155,900.25/2,891,898.42
  6. Step 6: Final answer
    x = 2,211,749.59

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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.