Home / 2,290,047.40-3,432,811.20-1,279,653.40

Finding the Fourth Proportional to 2,290,047.40, 3,432,811.20 and 1,279,653.40

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Solution

The fourth proportional to 2,290,047.40, 3,432,811.20 and 1,279,653.40 is: 1,918,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,047.40 : 3,432,811.20 = 1,279,653.40 : x
  2. Step 2: Convert to fraction form
    2,290,047.40/3,432,811.20 = 1,279,653.40/x
  3. Step 3: Cross multiply
    2,290,047.40x = 3,432,811.20 × 1,279,653.40
  4. Step 4: Simplify right side
    2,290,047.40x = 4,392,808,523,638.08
  5. Step 5: Solve for x
    x = 4,392,808,523,638.08/2,290,047.40
  6. Step 6: Final answer
    x = 1,918,217.29

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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.