Home / 3,146,778.28-4,718,866.08-987,083

Finding the Fourth Proportional to 3,146,778.28, 4,718,866.08 and 987,083

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Solution

The fourth proportional to 3,146,778.28, 4,718,866.08 and 987,083 is: 1,480,216.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,778.28 : 4,718,866.08 = 987,083 : x
  2. Step 2: Convert to fraction form
    3,146,778.28/4,718,866.08 = 987,083/x
  3. Step 3: Cross multiply
    3,146,778.28x = 4,718,866.08 × 987,083
  4. Step 4: Simplify right side
    3,146,778.28x = 4,657,912,486,844.64
  5. Step 5: Solve for x
    x = 4,657,912,486,844.64/3,146,778.28
  6. Step 6: Final answer
    x = 1,480,216.30

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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.