Home / 2,290,889.70-3,436,334.55-1,330,359.30

Finding the Fourth Proportional to 2,290,889.70, 3,436,334.55 and 1,330,359.30

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Solution

The fourth proportional to 2,290,889.70, 3,436,334.55 and 1,330,359.30 is: 1,995,538.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,889.70 : 3,436,334.55 = 1,330,359.30 : x
  2. Step 2: Convert to fraction form
    2,290,889.70/3,436,334.55 = 1,330,359.30/x
  3. Step 3: Cross multiply
    2,290,889.70x = 3,436,334.55 × 1,330,359.30
  4. Step 4: Simplify right side
    2,290,889.70x = 4,571,559,626,503.81
  5. Step 5: Solve for x
    x = 4,571,559,626,503.81/2,290,889.70
  6. Step 6: Final answer
    x = 1,995,538.95

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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.