Home / 4,778,940.60-7,156,601.10-3,172,807.80

Finding the Fourth Proportional to 4,778,940.60, 7,156,601.10 and 3,172,807.80

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Solution

The fourth proportional to 4,778,940.60, 7,156,601.10 and 3,172,807.80 is: 4,751,371.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778,940.60 : 7,156,601.10 = 3,172,807.80 : x
  2. Step 2: Convert to fraction form
    4,778,940.60/7,156,601.10 = 3,172,807.80/x
  3. Step 3: Cross multiply
    4,778,940.60x = 7,156,601.10 × 3,172,807.80
  4. Step 4: Simplify right side
    4,778,940.60x = 22,706,519,791,568.58
  5. Step 5: Solve for x
    x = 22,706,519,791,568.58/4,778,940.60
  6. Step 6: Final answer
    x = 4,751,371.00

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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.