Home / 3,112,647.75-4,295,454.08-1,681,863.75

Finding the Fourth Proportional to 3,112,647.75, 4,295,454.08 and 1,681,863.75

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Solution

The fourth proportional to 3,112,647.75, 4,295,454.08 and 1,681,863.75 is: 2,320,972.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,647.75 : 4,295,454.08 = 1,681,863.75 : x
  2. Step 2: Convert to fraction form
    3,112,647.75/4,295,454.08 = 1,681,863.75/x
  3. Step 3: Cross multiply
    3,112,647.75x = 4,295,454.08 × 1,681,863.75
  4. Step 4: Simplify right side
    3,112,647.75x = 7,224,368,498,532.28
  5. Step 5: Solve for x
    x = 7,224,368,498,532.28/3,112,647.75
  6. Step 6: Final answer
    x = 2,320,972.07

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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.