Home / 3,672,979-5,506,313.09-1,276,512.28

Finding the Fourth Proportional to 3,672,979, 5,506,313.09 and 1,276,512.28

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Solution

The fourth proportional to 3,672,979, 5,506,313.09 and 1,276,512.28 is: 1,913,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672,979 : 5,506,313.09 = 1,276,512.28 : x
  2. Step 2: Convert to fraction form
    3,672,979/5,506,313.09 = 1,276,512.28/x
  3. Step 3: Cross multiply
    3,672,979x = 5,506,313.09 × 1,276,512.28
  4. Step 4: Simplify right side
    3,672,979x = 7,028,876,276,909.75
  5. Step 5: Solve for x
    x = 7,028,876,276,909.75/3,672,979
  6. Step 6: Final answer
    x = 1,913,671.78

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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.