Home / 7,121,829.66-10,682,757.85-1,730,484.64

Finding the Fourth Proportional to 7,121,829.66, 10,682,757.85 and 1,730,484.64

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Solution

The fourth proportional to 7,121,829.66, 10,682,757.85 and 1,730,484.64 is: 2,595,730.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121,829.66 : 10,682,757.85 = 1,730,484.64 : x
  2. Step 2: Convert to fraction form
    7,121,829.66/10,682,757.85 = 1,730,484.64/x
  3. Step 3: Cross multiply
    7,121,829.66x = 10,682,757.85 × 1,730,484.64
  4. Step 4: Simplify right side
    7,121,829.66x = 18,486,348,372,264.42
  5. Step 5: Solve for x
    x = 18,486,348,372,264.42/7,121,829.66
  6. Step 6: Final answer
    x = 2,595,730.21

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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.