Home / 3,155,920.74-4,354,106.86-1,796,831.46

Finding the Fourth Proportional to 3,155,920.74, 4,354,106.86 and 1,796,831.46

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Solution

The fourth proportional to 3,155,920.74, 4,354,106.86 and 1,796,831.46 is: 2,479,021.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,920.74 : 4,354,106.86 = 1,796,831.46 : x
  2. Step 2: Convert to fraction form
    3,155,920.74/4,354,106.86 = 1,796,831.46/x
  3. Step 3: Cross multiply
    3,155,920.74x = 4,354,106.86 × 1,796,831.46
  4. Step 4: Simplify right side
    3,155,920.74x = 7,823,596,186,249.82
  5. Step 5: Solve for x
    x = 7,823,596,186,249.82/3,155,920.74
  6. Step 6: Final answer
    x = 2,479,021.76

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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.