Home / 2,100,523.10-3,150,784.65-1,680,619.10

Finding the Fourth Proportional to 2,100,523.10, 3,150,784.65 and 1,680,619.10

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Solution

The fourth proportional to 2,100,523.10, 3,150,784.65 and 1,680,619.10 is: 2,520,928.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,523.10 : 3,150,784.65 = 1,680,619.10 : x
  2. Step 2: Convert to fraction form
    2,100,523.10/3,150,784.65 = 1,680,619.10/x
  3. Step 3: Cross multiply
    2,100,523.10x = 3,150,784.65 × 1,680,619.10
  4. Step 4: Simplify right side
    2,100,523.10x = 5,295,268,862,776.82
  5. Step 5: Solve for x
    x = 5,295,268,862,776.82/2,100,523.10
  6. Step 6: Final answer
    x = 2,520,928.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.