Home / 3,123,625.55-4,310,921.25-1,900,015.45

Finding the Fourth Proportional to 3,123,625.55, 4,310,921.25 and 1,900,015.45

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Solution

The fourth proportional to 3,123,625.55, 4,310,921.25 and 1,900,015.45 is: 2,622,214.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123,625.55 : 4,310,921.25 = 1,900,015.45 : x
  2. Step 2: Convert to fraction form
    3,123,625.55/4,310,921.25 = 1,900,015.45/x
  3. Step 3: Cross multiply
    3,123,625.55x = 4,310,921.25 × 1,900,015.45
  4. Step 4: Simplify right side
    3,123,625.55x = 8,190,816,967,956.01
  5. Step 5: Solve for x
    x = 8,190,816,967,956.01/3,123,625.55
  6. Step 6: Final answer
    x = 2,622,214.75

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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.