Home / 2,958,863.22-4,438,338.56-828,812.70

Finding the Fourth Proportional to 2,958,863.22, 4,438,338.56 and 828,812.70

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Solution

The fourth proportional to 2,958,863.22, 4,438,338.56 and 828,812.70 is: 1,243,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958,863.22 : 4,438,338.56 = 828,812.70 : x
  2. Step 2: Convert to fraction form
    2,958,863.22/4,438,338.56 = 828,812.70/x
  3. Step 3: Cross multiply
    2,958,863.22x = 4,438,338.56 × 828,812.70
  4. Step 4: Simplify right side
    2,958,863.22x = 3,678,551,365,427.71
  5. Step 5: Solve for x
    x = 3,678,551,365,427.71/2,958,863.22
  6. Step 6: Final answer
    x = 1,243,231.30

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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.