Home / 4,900,728.88-6,762,014.78-2,863,144.72

Finding the Fourth Proportional to 4,900,728.88, 6,762,014.78 and 2,863,144.72

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Solution

The fourth proportional to 4,900,728.88, 6,762,014.78 and 2,863,144.72 is: 3,950,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900,728.88 : 6,762,014.78 = 2,863,144.72 : x
  2. Step 2: Convert to fraction form
    4,900,728.88/6,762,014.78 = 2,863,144.72/x
  3. Step 3: Cross multiply
    4,900,728.88x = 6,762,014.78 × 2,863,144.72
  4. Step 4: Simplify right side
    4,900,728.88x = 19,360,626,913,918.96
  5. Step 5: Solve for x
    x = 19,360,626,913,918.96/4,900,728.88
  6. Step 6: Final answer
    x = 3,950,560.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.