Home / 2,080,516.86-3,121,412.76-1,865,928.42

Finding the Fourth Proportional to 2,080,516.86, 3,121,412.76 and 1,865,928.42

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Solution

The fourth proportional to 2,080,516.86, 3,121,412.76 and 1,865,928.42 is: 2,799,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,516.86 : 3,121,412.76 = 1,865,928.42 : x
  2. Step 2: Convert to fraction form
    2,080,516.86/3,121,412.76 = 1,865,928.42/x
  3. Step 3: Cross multiply
    2,080,516.86x = 3,121,412.76 × 1,865,928.42
  4. Step 4: Simplify right side
    2,080,516.86x = 5,824,332,779,434.64
  5. Step 5: Solve for x
    x = 5,824,332,779,434.64/2,080,516.86
  6. Step 6: Final answer
    x = 2,799,464.35

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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.