Home / 3,121,805.80-4,680,375.90-1,703,463.40

Finding the Fourth Proportional to 3,121,805.80, 4,680,375.90 and 1,703,463.40

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Solution

The fourth proportional to 3,121,805.80, 4,680,375.90 and 1,703,463.40 is: 2,553,922.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,805.80 : 4,680,375.90 = 1,703,463.40 : x
  2. Step 2: Convert to fraction form
    3,121,805.80/4,680,375.90 = 1,703,463.40/x
  3. Step 3: Cross multiply
    3,121,805.80x = 4,680,375.90 × 1,703,463.40
  4. Step 4: Simplify right side
    3,121,805.80x = 7,972,849,043,892.06
  5. Step 5: Solve for x
    x = 7,972,849,043,892.06/3,121,805.80
  6. Step 6: Final answer
    x = 2,553,922.17

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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.