Home / 2,177,273.12-3,004,739.44-1,210,419.52

Finding the Fourth Proportional to 2,177,273.12, 3,004,739.44 and 1,210,419.52

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Solution

The fourth proportional to 2,177,273.12, 3,004,739.44 and 1,210,419.52 is: 1,670,435.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,273.12 : 3,004,739.44 = 1,210,419.52 : x
  2. Step 2: Convert to fraction form
    2,177,273.12/3,004,739.44 = 1,210,419.52/x
  3. Step 3: Cross multiply
    2,177,273.12x = 3,004,739.44 × 1,210,419.52
  4. Step 4: Simplify right side
    2,177,273.12x = 3,636,995,270,689.87
  5. Step 5: Solve for x
    x = 3,636,995,270,689.87/2,177,273.12
  6. Step 6: Final answer
    x = 1,670,435.94

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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.