Home / 2,799,928.20-4,203,002.70-1,736,171.40

Finding the Fourth Proportional to 2,799,928.20, 4,203,002.70 and 1,736,171.40

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Solution

The fourth proportional to 2,799,928.20, 4,203,002.70 and 1,736,171.40 is: 2,606,185.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,928.20 : 4,203,002.70 = 1,736,171.40 : x
  2. Step 2: Convert to fraction form
    2,799,928.20/4,203,002.70 = 1,736,171.40/x
  3. Step 3: Cross multiply
    2,799,928.20x = 4,203,002.70 × 1,736,171.40
  4. Step 4: Simplify right side
    2,799,928.20x = 7,297,133,081,862.78
  5. Step 5: Solve for x
    x = 7,297,133,081,862.78/2,799,928.20
  6. Step 6: Final answer
    x = 2,606,185.79

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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.