Home / 3,613,213.40-4,986,298.28-1,981,606.48

Finding the Fourth Proportional to 3,613,213.40, 4,986,298.28 and 1,981,606.48

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Solution

The fourth proportional to 3,613,213.40, 4,986,298.28 and 1,981,606.48 is: 2,734,651.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613,213.40 : 4,986,298.28 = 1,981,606.48 : x
  2. Step 2: Convert to fraction form
    3,613,213.40/4,986,298.28 = 1,981,606.48/x
  3. Step 3: Cross multiply
    3,613,213.40x = 4,986,298.28 × 1,981,606.48
  4. Step 4: Simplify right side
    3,613,213.40x = 9,880,880,975,349.13
  5. Step 5: Solve for x
    x = 9,880,880,975,349.13/3,613,213.40
  6. Step 6: Final answer
    x = 2,734,651.93

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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.