Home / 3,478,145.88-5,218,385.94-1,348,299.48

Finding the Fourth Proportional to 3,478,145.88, 5,218,385.94 and 1,348,299.48

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Solution

The fourth proportional to 3,478,145.88, 5,218,385.94 and 1,348,299.48 is: 2,022,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,145.88 : 5,218,385.94 = 1,348,299.48 : x
  2. Step 2: Convert to fraction form
    3,478,145.88/5,218,385.94 = 1,348,299.48/x
  3. Step 3: Cross multiply
    3,478,145.88x = 5,218,385.94 × 1,348,299.48
  4. Step 4: Simplify right side
    3,478,145.88x = 7,035,947,049,341.31
  5. Step 5: Solve for x
    x = 7,035,947,049,341.31/3,478,145.88
  6. Step 6: Final answer
    x = 2,022,901.65

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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.