Home / 2,847,987.49-4,271,316.71-825,688.64

Finding the Fourth Proportional to 2,847,987.49, 4,271,316.71 and 825,688.64

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Solution

The fourth proportional to 2,847,987.49, 4,271,316.71 and 825,688.64 is: 1,238,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,987.49 : 4,271,316.71 = 825,688.64 : x
  2. Step 2: Convert to fraction form
    2,847,987.49/4,271,316.71 = 825,688.64/x
  3. Step 3: Cross multiply
    2,847,987.49x = 4,271,316.71 × 825,688.64
  4. Step 4: Simplify right side
    2,847,987.49x = 3,526,777,667,812.87
  5. Step 5: Solve for x
    x = 3,526,777,667,812.87/2,847,987.49
  6. Step 6: Final answer
    x = 1,238,340.30

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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.