Home / 2,190,368.55-3,285,864.19-674,177.83

Finding the Fourth Proportional to 2,190,368.55, 3,285,864.19 and 674,177.83

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Solution

The fourth proportional to 2,190,368.55, 3,285,864.19 and 674,177.83 is: 1,011,362.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,368.55 : 3,285,864.19 = 674,177.83 : x
  2. Step 2: Convert to fraction form
    2,190,368.55/3,285,864.19 = 674,177.83/x
  3. Step 3: Cross multiply
    2,190,368.55x = 3,285,864.19 × 674,177.83
  4. Step 4: Simplify right side
    2,190,368.55x = 2,215,256,797,555.73
  5. Step 5: Solve for x
    x = 2,215,256,797,555.73/2,190,368.55
  6. Step 6: Final answer
    x = 1,011,362.58

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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.