Home / 3,914,918.20-5,872,377.30-3,317,721.40

Finding the Fourth Proportional to 3,914,918.20, 5,872,377.30 and 3,317,721.40

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Solution

The fourth proportional to 3,914,918.20, 5,872,377.30 and 3,317,721.40 is: 4,976,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914,918.20 : 5,872,377.30 = 3,317,721.40 : x
  2. Step 2: Convert to fraction form
    3,914,918.20/5,872,377.30 = 3,317,721.40/x
  3. Step 3: Cross multiply
    3,914,918.20x = 5,872,377.30 × 3,317,721.40
  4. Step 4: Simplify right side
    3,914,918.20x = 19,482,911,837,084.22
  5. Step 5: Solve for x
    x = 19,482,911,837,084.22/3,914,918.20
  6. Step 6: Final answer
    x = 4,976,582.10

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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.