Home / 2,790,152.94-4,185,251.92-768,508.36

Finding the Fourth Proportional to 2,790,152.94, 4,185,251.92 and 768,508.36

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Solution

The fourth proportional to 2,790,152.94, 4,185,251.92 and 768,508.36 is: 1,152,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,152.94 : 4,185,251.92 = 768,508.36 : x
  2. Step 2: Convert to fraction form
    2,790,152.94/4,185,251.92 = 768,508.36/x
  3. Step 3: Cross multiply
    2,790,152.94x = 4,185,251.92 × 768,508.36
  4. Step 4: Simplify right side
    2,790,152.94x = 3,216,401,089,226.05
  5. Step 5: Solve for x
    x = 3,216,401,089,226.05/2,790,152.94
  6. Step 6: Final answer
    x = 1,152,768.74

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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.