Home / 3,179,917.28-4,387,887.28-2,149,666.67

Finding the Fourth Proportional to 3,179,917.28, 4,387,887.28 and 2,149,666.67

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Solution

The fourth proportional to 3,179,917.28, 4,387,887.28 and 2,149,666.67 is: 2,966,270.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,917.28 : 4,387,887.28 = 2,149,666.67 : x
  2. Step 2: Convert to fraction form
    3,179,917.28/4,387,887.28 = 2,149,666.67/x
  3. Step 3: Cross multiply
    3,179,917.28x = 4,387,887.28 × 2,149,666.67
  4. Step 4: Simplify right side
    3,179,917.28x = 9,432,495,037,532.96
  5. Step 5: Solve for x
    x = 9,432,495,037,532.96/3,179,917.28
  6. Step 6: Final answer
    x = 2,966,270.57

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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.