Home / 2,290,906.40-3,436,359.60-1,920,423.20

Finding the Fourth Proportional to 2,290,906.40, 3,436,359.60 and 1,920,423.20

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Solution

The fourth proportional to 2,290,906.40, 3,436,359.60 and 1,920,423.20 is: 2,880,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,906.40 : 3,436,359.60 = 1,920,423.20 : x
  2. Step 2: Convert to fraction form
    2,290,906.40/3,436,359.60 = 1,920,423.20/x
  3. Step 3: Cross multiply
    2,290,906.40x = 3,436,359.60 × 1,920,423.20
  4. Step 4: Simplify right side
    2,290,906.40x = 6,599,264,699,382.72
  5. Step 5: Solve for x
    x = 6,599,264,699,382.72/2,290,906.40
  6. Step 6: Final answer
    x = 2,880,634.80

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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.