Home / 3,387,471.75-4,674,108.22-1,917,373.08

Finding the Fourth Proportional to 3,387,471.75, 4,674,108.22 and 1,917,373.08

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Solution

The fourth proportional to 3,387,471.75, 4,674,108.22 and 1,917,373.08 is: 2,645,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387,471.75 : 4,674,108.22 = 1,917,373.08 : x
  2. Step 2: Convert to fraction form
    3,387,471.75/4,674,108.22 = 1,917,373.08/x
  3. Step 3: Cross multiply
    3,387,471.75x = 4,674,108.22 × 1,917,373.08
  4. Step 4: Simplify right side
    3,387,471.75x = 8,962,009,286,769.19
  5. Step 5: Solve for x
    x = 8,962,009,286,769.19/3,387,471.75
  6. Step 6: Final answer
    x = 2,645,633.66

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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.