Home / 2,177,720.73-3,005,236.35-1,210,842.56

Finding the Fourth Proportional to 2,177,720.73, 3,005,236.35 and 1,210,842.56

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Solution

The fourth proportional to 2,177,720.73, 3,005,236.35 and 1,210,842.56 is: 1,670,952.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,720.73 : 3,005,236.35 = 1,210,842.56 : x
  2. Step 2: Convert to fraction form
    2,177,720.73/3,005,236.35 = 1,210,842.56/x
  3. Step 3: Cross multiply
    2,177,720.73x = 3,005,236.35 × 1,210,842.56
  4. Step 4: Simplify right side
    2,177,720.73x = 3,638,868,075,439.06
  5. Step 5: Solve for x
    x = 3,638,868,075,439.06/2,177,720.73
  6. Step 6: Final answer
    x = 1,670,952.58

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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.