Home / 4,138,376.08-5,707,723.60-2,688,538.64

Finding the Fourth Proportional to 4,138,376.08, 5,707,723.60 and 2,688,538.64

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Solution

The fourth proportional to 4,138,376.08, 5,707,723.60 and 2,688,538.64 is: 3,708,081.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138,376.08 : 5,707,723.60 = 2,688,538.64 : x
  2. Step 2: Convert to fraction form
    4,138,376.08/5,707,723.60 = 2,688,538.64/x
  3. Step 3: Cross multiply
    4,138,376.08x = 5,707,723.60 × 2,688,538.64
  4. Step 4: Simplify right side
    4,138,376.08x = 15,345,435,445,039.90
  5. Step 5: Solve for x
    x = 15,345,435,445,039.90/4,138,376.08
  6. Step 6: Final answer
    x = 3,708,081.42

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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.