Home / 2,621,114.52-3,931,668.99-824,155.08

Finding the Fourth Proportional to 2,621,114.52, 3,931,668.99 and 824,155.08

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Solution

The fourth proportional to 2,621,114.52, 3,931,668.99 and 824,155.08 is: 1,236,231.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621,114.52 : 3,931,668.99 = 824,155.08 : x
  2. Step 2: Convert to fraction form
    2,621,114.52/3,931,668.99 = 824,155.08/x
  3. Step 3: Cross multiply
    2,621,114.52x = 3,931,668.99 × 824,155.08
  4. Step 4: Simplify right side
    2,621,114.52x = 3,240,304,970,986.97
  5. Step 5: Solve for x
    x = 3,240,304,970,986.97/2,621,114.52
  6. Step 6: Final answer
    x = 1,236,231.74

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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.