Home / 2,911,207.80-4,366,811.70-2,649,934.20

Finding the Fourth Proportional to 2,911,207.80, 4,366,811.70 and 2,649,934.20

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Solution

The fourth proportional to 2,911,207.80, 4,366,811.70 and 2,649,934.20 is: 3,974,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,207.80 : 4,366,811.70 = 2,649,934.20 : x
  2. Step 2: Convert to fraction form
    2,911,207.80/4,366,811.70 = 2,649,934.20/x
  3. Step 3: Cross multiply
    2,911,207.80x = 4,366,811.70 × 2,649,934.20
  4. Step 4: Simplify right side
    2,911,207.80x = 11,571,763,668,790.14
  5. Step 5: Solve for x
    x = 11,571,763,668,790.14/2,911,207.80
  6. Step 6: Final answer
    x = 3,974,901.30

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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.