Home / 3,167,231.20-4,750,846.80-1,275,330.40

Finding the Fourth Proportional to 3,167,231.20, 4,750,846.80 and 1,275,330.40

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Solution

The fourth proportional to 3,167,231.20, 4,750,846.80 and 1,275,330.40 is: 1,912,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167,231.20 : 4,750,846.80 = 1,275,330.40 : x
  2. Step 2: Convert to fraction form
    3,167,231.20/4,750,846.80 = 1,275,330.40/x
  3. Step 3: Cross multiply
    3,167,231.20x = 4,750,846.80 × 1,275,330.40
  4. Step 4: Simplify right side
    3,167,231.20x = 6,058,899,349,782.72
  5. Step 5: Solve for x
    x = 6,058,899,349,782.72/3,167,231.20
  6. Step 6: Final answer
    x = 1,912,995.60

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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.