Home / 2,107,831.87-3,161,835.29-611,923.87

Finding the Fourth Proportional to 2,107,831.87, 3,161,835.29 and 611,923.87

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Solution

The fourth proportional to 2,107,831.87, 3,161,835.29 and 611,923.87 is: 917,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,831.87 : 3,161,835.29 = 611,923.87 : x
  2. Step 2: Convert to fraction form
    2,107,831.87/3,161,835.29 = 611,923.87/x
  3. Step 3: Cross multiply
    2,107,831.87x = 3,161,835.29 × 611,923.87
  4. Step 4: Simplify right side
    2,107,831.87x = 1,934,802,486,959.37
  5. Step 5: Solve for x
    x = 1,934,802,486,959.37/2,107,831.87
  6. Step 6: Final answer
    x = 917,911.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.