Home / 3,078,838.76-4,248,614.46-1,702,100

Finding the Fourth Proportional to 3,078,838.76, 4,248,614.46 and 1,702,100

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Solution

The fourth proportional to 3,078,838.76, 4,248,614.46 and 1,702,100 is: 2,348,796.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,838.76 : 4,248,614.46 = 1,702,100 : x
  2. Step 2: Convert to fraction form
    3,078,838.76/4,248,614.46 = 1,702,100/x
  3. Step 3: Cross multiply
    3,078,838.76x = 4,248,614.46 × 1,702,100
  4. Step 4: Simplify right side
    3,078,838.76x = 7,231,566,672,366
  5. Step 5: Solve for x
    x = 7,231,566,672,366/3,078,838.76
  6. Step 6: Final answer
    x = 2,348,796.81

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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.