Home / 2,688,261.32-3,707,308.74-1,961,958.60

Finding the Fourth Proportional to 2,688,261.32, 3,707,308.74 and 1,961,958.60

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Solution

The fourth proportional to 2,688,261.32, 3,707,308.74 and 1,961,958.60 is: 2,705,684.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,261.32 : 3,707,308.74 = 1,961,958.60 : x
  2. Step 2: Convert to fraction form
    2,688,261.32/3,707,308.74 = 1,961,958.60/x
  3. Step 3: Cross multiply
    2,688,261.32x = 3,707,308.74 × 1,961,958.60
  4. Step 4: Simplify right side
    2,688,261.32x = 7,273,586,265,298.17
  5. Step 5: Solve for x
    x = 7,273,586,265,298.17/2,688,261.32
  6. Step 6: Final answer
    x = 2,705,684.23

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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.