Home / 3,086,533.57-4,258,646.85-1,780,185.17

Finding the Fourth Proportional to 3,086,533.57, 4,258,646.85 and 1,780,185.17

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Solution

The fourth proportional to 3,086,533.57, 4,258,646.85 and 1,780,185.17 is: 2,456,211.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086,533.57 : 4,258,646.85 = 1,780,185.17 : x
  2. Step 2: Convert to fraction form
    3,086,533.57/4,258,646.85 = 1,780,185.17/x
  3. Step 3: Cross multiply
    3,086,533.57x = 4,258,646.85 × 1,780,185.17
  4. Step 4: Simplify right side
    3,086,533.57x = 7,581,179,936,443.05
  5. Step 5: Solve for x
    x = 7,581,179,936,443.05/3,086,533.57
  6. Step 6: Final answer
    x = 2,456,211.72

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1.5x scale

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.