Home / 5,167,808.10-7,131,505.07-2,875,968.79

Finding the Fourth Proportional to 5,167,808.10, 7,131,505.07 and 2,875,968.79

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Solution

The fourth proportional to 5,167,808.10, 7,131,505.07 and 2,875,968.79 is: 3,968,797.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167,808.10 : 7,131,505.07 = 2,875,968.79 : x
  2. Step 2: Convert to fraction form
    5,167,808.10/7,131,505.07 = 2,875,968.79/x
  3. Step 3: Cross multiply
    5,167,808.10x = 7,131,505.07 × 2,875,968.79
  4. Step 4: Simplify right side
    5,167,808.10x = 20,509,985,996,407.93
  5. Step 5: Solve for x
    x = 20,509,985,996,407.93/5,167,808.10
  6. Step 6: Final answer
    x = 3,968,797.91

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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.