Home / 2,749,872.32-4,124,808.48-856,766.72

Finding the Fourth Proportional to 2,749,872.32, 4,124,808.48 and 856,766.72

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Solution

The fourth proportional to 2,749,872.32, 4,124,808.48 and 856,766.72 is: 1,285,150.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749,872.32 : 4,124,808.48 = 856,766.72 : x
  2. Step 2: Convert to fraction form
    2,749,872.32/4,124,808.48 = 856,766.72/x
  3. Step 3: Cross multiply
    2,749,872.32x = 4,124,808.48 × 856,766.72
  4. Step 4: Simplify right side
    2,749,872.32x = 3,533,998,632,037.79
  5. Step 5: Solve for x
    x = 3,533,998,632,037.79/2,749,872.32
  6. Step 6: Final answer
    x = 1,285,150.08

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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.