Home / 2,897,185.20-4,345,000.20-1,213,940.40

Finding the Fourth Proportional to 2,897,185.20, 4,345,000.20 and 1,213,940.40

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Solution

The fourth proportional to 2,897,185.20, 4,345,000.20 and 1,213,940.40 is: 1,820,584.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897,185.20 : 4,345,000.20 = 1,213,940.40 : x
  2. Step 2: Convert to fraction form
    2,897,185.20/4,345,000.20 = 1,213,940.40/x
  3. Step 3: Cross multiply
    2,897,185.20x = 4,345,000.20 × 1,213,940.40
  4. Step 4: Simplify right side
    2,897,185.20x = 5,274,571,280,788.08
  5. Step 5: Solve for x
    x = 5,274,571,280,788.08/2,897,185.20
  6. Step 6: Final answer
    x = 1,820,584.78

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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.