Home / 2,613,615.36-3,919,715.04-719,906.40

Finding the Fourth Proportional to 2,613,615.36, 3,919,715.04 and 719,906.40

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Solution

The fourth proportional to 2,613,615.36, 3,919,715.04 and 719,906.40 is: 1,079,664.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613,615.36 : 3,919,715.04 = 719,906.40 : x
  2. Step 2: Convert to fraction form
    2,613,615.36/3,919,715.04 = 719,906.40/x
  3. Step 3: Cross multiply
    2,613,615.36x = 3,919,715.04 × 719,906.40
  4. Step 4: Simplify right side
    2,613,615.36x = 2,821,827,943,472.26
  5. Step 5: Solve for x
    x = 2,821,827,943,472.26/2,613,615.36
  6. Step 6: Final answer
    x = 1,079,664.59

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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.