Home / 1,819,891.77-2,729,838.56-621,825.83

Finding the Fourth Proportional to 1,819,891.77, 2,729,838.56 and 621,825.83

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Solution

The fourth proportional to 1,819,891.77, 2,729,838.56 and 621,825.83 is: 932,739.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,891.77 : 2,729,838.56 = 621,825.83 : x
  2. Step 2: Convert to fraction form
    1,819,891.77/2,729,838.56 = 621,825.83/x
  3. Step 3: Cross multiply
    1,819,891.77x = 2,729,838.56 × 621,825.83
  4. Step 4: Simplify right side
    1,819,891.77x = 1,697,484,125,314.35
  5. Step 5: Solve for x
    x = 1,697,484,125,314.35/1,819,891.77
  6. Step 6: Final answer
    x = 932,739.05

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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.