Home / 3,161,788.88-4,363,859.75-1,803,661.88

Finding the Fourth Proportional to 3,161,788.88, 4,363,859.75 and 1,803,661.88

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Solution

The fourth proportional to 3,161,788.88, 4,363,859.75 and 1,803,661.88 is: 2,489,390.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,788.88 : 4,363,859.75 = 1,803,661.88 : x
  2. Step 2: Convert to fraction form
    3,161,788.88/4,363,859.75 = 1,803,661.88/x
  3. Step 3: Cross multiply
    3,161,788.88x = 4,363,859.75 × 1,803,661.88
  4. Step 4: Simplify right side
    3,161,788.88x = 7,870,927,449,903.72
  5. Step 5: Solve for x
    x = 7,870,927,449,903.72/3,161,788.88
  6. Step 6: Final answer
    x = 2,489,390.58

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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.