Home / 2,145,280.28-2,959,764.03-1,214,860.82

Finding the Fourth Proportional to 2,145,280.28, 2,959,764.03 and 1,214,860.82

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Solution

The fourth proportional to 2,145,280.28, 2,959,764.03 and 1,214,860.82 is: 1,676,098.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,280.28 : 2,959,764.03 = 1,214,860.82 : x
  2. Step 2: Convert to fraction form
    2,145,280.28/2,959,764.03 = 1,214,860.82/x
  3. Step 3: Cross multiply
    2,145,280.28x = 2,959,764.03 × 1,214,860.82
  4. Step 4: Simplify right side
    2,145,280.28x = 3,595,701,341,693.48
  5. Step 5: Solve for x
    x = 3,595,701,341,693.48/2,145,280.28
  6. Step 6: Final answer
    x = 1,676,098.64

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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.