Home / 2,311,685.72-3,190,464.74-1,331,436.35

Finding the Fourth Proportional to 2,311,685.72, 3,190,464.74 and 1,331,436.35

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Solution

The fourth proportional to 2,311,685.72, 3,190,464.74 and 1,331,436.35 is: 1,837,577.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,685.72 : 3,190,464.74 = 1,331,436.35 : x
  2. Step 2: Convert to fraction form
    2,311,685.72/3,190,464.74 = 1,331,436.35/x
  3. Step 3: Cross multiply
    2,311,685.72x = 3,190,464.74 × 1,331,436.35
  4. Step 4: Simplify right side
    2,311,685.72x = 4,247,900,705,619.79
  5. Step 5: Solve for x
    x = 4,247,900,705,619.79/2,311,685.72
  6. Step 6: Final answer
    x = 1,837,577.08

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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.