Home / 1,819,722.36-2,730,067.08-621,642.48

Finding the Fourth Proportional to 1,819,722.36, 2,730,067.08 and 621,642.48

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Solution

The fourth proportional to 1,819,722.36, 2,730,067.08 and 621,642.48 is: 932,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,722.36 : 2,730,067.08 = 621,642.48 : x
  2. Step 2: Convert to fraction form
    1,819,722.36/2,730,067.08 = 621,642.48/x
  3. Step 3: Cross multiply
    1,819,722.36x = 2,730,067.08 × 621,642.48
  4. Step 4: Simplify right side
    1,819,722.36x = 1,697,125,670,177.56
  5. Step 5: Solve for x
    x = 1,697,125,670,177.56/1,819,722.36
  6. Step 6: Final answer
    x = 932,628.90

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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.