Home / 5,177,561.42-7,144,727.36-2,971,914.68

Finding the Fourth Proportional to 5,177,561.42, 7,144,727.36 and 2,971,914.68

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Solution

The fourth proportional to 5,177,561.42, 7,144,727.36 and 2,971,914.68 is: 4,101,065.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,561.42 : 7,144,727.36 = 2,971,914.68 : x
  2. Step 2: Convert to fraction form
    5,177,561.42/7,144,727.36 = 2,971,914.68/x
  3. Step 3: Cross multiply
    5,177,561.42x = 7,144,727.36 × 2,971,914.68
  4. Step 4: Simplify right side
    5,177,561.42x = 21,233,520,125,781.65
  5. Step 5: Solve for x
    x = 21,233,520,125,781.65/5,177,561.42
  6. Step 6: Final answer
    x = 4,101,065.81

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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.