Home / 5,107,086-7,047,825.84-2,815,328.52

Finding the Fourth Proportional to 5,107,086, 7,047,825.84 and 2,815,328.52

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Solution

The fourth proportional to 5,107,086, 7,047,825.84 and 2,815,328.52 is: 3,885,179.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,086 : 7,047,825.84 = 2,815,328.52 : x
  2. Step 2: Convert to fraction form
    5,107,086/7,047,825.84 = 2,815,328.52/x
  3. Step 3: Cross multiply
    5,107,086x = 7,047,825.84 × 2,815,328.52
  4. Step 4: Simplify right side
    5,107,086x = 19,841,945,091,344.96
  5. Step 5: Solve for x
    x = 19,841,945,091,344.96/5,107,086
  6. Step 6: Final answer
    x = 3,885,179.35

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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.