Home / 1,993,738.12-2,975,349.81-1,780,986.76

Finding the Fourth Proportional to 1,993,738.12, 2,975,349.81 and 1,780,986.76

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Solution

The fourth proportional to 1,993,738.12, 2,975,349.81 and 1,780,986.76 is: 2,657,850.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,738.12 : 2,975,349.81 = 1,780,986.76 : x
  2. Step 2: Convert to fraction form
    1,993,738.12/2,975,349.81 = 1,780,986.76/x
  3. Step 3: Cross multiply
    1,993,738.12x = 2,975,349.81 × 1,780,986.76
  4. Step 4: Simplify right side
    1,993,738.12x = 5,299,058,617,978.52
  5. Step 5: Solve for x
    x = 5,299,058,617,978.52/1,993,738.12
  6. Step 6: Final answer
    x = 2,657,850.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.