Home / 3,120,206.60-4,675,061.10-2,668,809.80

Finding the Fourth Proportional to 3,120,206.60, 4,675,061.10 and 2,668,809.80

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Solution

The fourth proportional to 3,120,206.60, 4,675,061.10 and 2,668,809.80 is: 3,998,725.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,206.60 : 4,675,061.10 = 2,668,809.80 : x
  2. Step 2: Convert to fraction form
    3,120,206.60/4,675,061.10 = 2,668,809.80/x
  3. Step 3: Cross multiply
    3,120,206.60x = 4,675,061.10 × 2,668,809.80
  4. Step 4: Simplify right side
    3,120,206.60x = 12,476,848,879,278.78
  5. Step 5: Solve for x
    x = 12,476,848,879,278.78/3,120,206.60
  6. Step 6: Final answer
    x = 3,998,725.24

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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.