Home / 2,161,934.62-2,983,416.78-1,195,039.78

Finding the Fourth Proportional to 2,161,934.62, 2,983,416.78 and 1,195,039.78

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Solution

The fourth proportional to 2,161,934.62, 2,983,416.78 and 1,195,039.78 is: 1,649,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,934.62 : 2,983,416.78 = 1,195,039.78 : x
  2. Step 2: Convert to fraction form
    2,161,934.62/2,983,416.78 = 1,195,039.78/x
  3. Step 3: Cross multiply
    2,161,934.62x = 2,983,416.78 × 1,195,039.78
  4. Step 4: Simplify right side
    2,161,934.62x = 3,565,301,732,419.51
  5. Step 5: Solve for x
    x = 3,565,301,732,419.51/2,161,934.62
  6. Step 6: Final answer
    x = 1,649,125.60

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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.