Home / 5,176,685.24-7,143,767.46-2,821,831.37

Finding the Fourth Proportional to 5,176,685.24, 7,143,767.46 and 2,821,831.37

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Solution

The fourth proportional to 5,176,685.24, 7,143,767.46 and 2,821,831.37 is: 3,894,095.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176,685.24 : 7,143,767.46 = 2,821,831.37 : x
  2. Step 2: Convert to fraction form
    5,176,685.24/7,143,767.46 = 2,821,831.37/x
  3. Step 3: Cross multiply
    5,176,685.24x = 7,143,767.46 × 2,821,831.37
  4. Step 4: Simplify right side
    5,176,685.24x = 20,158,507,082,894.38
  5. Step 5: Solve for x
    x = 20,158,507,082,894.38/5,176,685.24
  6. Step 6: Final answer
    x = 3,894,095.58

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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.