Home / 2,191,847.79-3,288,037.37-771,613.23

Finding the Fourth Proportional to 2,191,847.79, 3,288,037.37 and 771,613.23

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Solution

The fourth proportional to 2,191,847.79, 3,288,037.37 and 771,613.23 is: 1,157,513.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,847.79 : 3,288,037.37 = 771,613.23 : x
  2. Step 2: Convert to fraction form
    2,191,847.79/3,288,037.37 = 771,613.23/x
  3. Step 3: Cross multiply
    2,191,847.79x = 3,288,037.37 × 771,613.23
  4. Step 4: Simplify right side
    2,191,847.79x = 2,537,093,131,568.34
  5. Step 5: Solve for x
    x = 2,537,093,131,568.34/2,191,847.79
  6. Step 6: Final answer
    x = 1,157,513.37

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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.