Home / 2,638,600.38-3,641,275.54-1,431,376.38

Finding the Fourth Proportional to 2,638,600.38, 3,641,275.54 and 1,431,376.38

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Solution

The fourth proportional to 2,638,600.38, 3,641,275.54 and 1,431,376.38 is: 1,975,303.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,600.38 : 3,641,275.54 = 1,431,376.38 : x
  2. Step 2: Convert to fraction form
    2,638,600.38/3,641,275.54 = 1,431,376.38/x
  3. Step 3: Cross multiply
    2,638,600.38x = 3,641,275.54 × 1,431,376.38
  4. Step 4: Simplify right side
    2,638,600.38x = 5,212,035,801,027.75
  5. Step 5: Solve for x
    x = 5,212,035,801,027.75/2,638,600.38
  6. Step 6: Final answer
    x = 1,975,303.21

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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.