Home / 3,118,776.72-4,304,949.84-1,829,146.56

Finding the Fourth Proportional to 3,118,776.72, 4,304,949.84 and 1,829,146.56

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Solution

The fourth proportional to 3,118,776.72, 4,304,949.84 and 1,829,146.56 is: 2,524,831.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,776.72 : 4,304,949.84 = 1,829,146.56 : x
  2. Step 2: Convert to fraction form
    3,118,776.72/4,304,949.84 = 1,829,146.56/x
  3. Step 3: Cross multiply
    3,118,776.72x = 4,304,949.84 × 1,829,146.56
  4. Step 4: Simplify right side
    3,118,776.72x = 7,874,384,190,808.55
  5. Step 5: Solve for x
    x = 7,874,384,190,808.55/3,118,776.72
  6. Step 6: Final answer
    x = 2,524,831.01

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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.