Home / 2,720,123.51-4,080,037.64-826,717.32

Finding the Fourth Proportional to 2,720,123.51, 4,080,037.64 and 826,717.32

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Solution

The fourth proportional to 2,720,123.51, 4,080,037.64 and 826,717.32 is: 1,240,031.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,123.51 : 4,080,037.64 = 826,717.32 : x
  2. Step 2: Convert to fraction form
    2,720,123.51/4,080,037.64 = 826,717.32/x
  3. Step 3: Cross multiply
    2,720,123.51x = 4,080,037.64 × 826,717.32
  4. Step 4: Simplify right side
    2,720,123.51x = 3,373,037,801,550.55
  5. Step 5: Solve for x
    x = 3,373,037,801,550.55/2,720,123.51
  6. Step 6: Final answer
    x = 1,240,031.12

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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.