Home / 3,394,998.72-4,684,275.90-2,154,157.56

Finding the Fourth Proportional to 3,394,998.72, 4,684,275.90 and 2,154,157.56

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Solution

The fourth proportional to 3,394,998.72, 4,684,275.90 and 2,154,157.56 is: 2,972,215.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394,998.72 : 4,684,275.90 = 2,154,157.56 : x
  2. Step 2: Convert to fraction form
    3,394,998.72/4,684,275.90 = 2,154,157.56/x
  3. Step 3: Cross multiply
    3,394,998.72x = 4,684,275.90 × 2,154,157.56
  4. Step 4: Simplify right side
    3,394,998.72x = 10,090,668,343,110.80
  5. Step 5: Solve for x
    x = 10,090,668,343,110.80/3,394,998.72
  6. Step 6: Final answer
    x = 2,972,215.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.