Home / 2,724,653.16-4,086,968.40-831,388.32

Finding the Fourth Proportional to 2,724,653.16, 4,086,968.40 and 831,388.32

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Solution

The fourth proportional to 2,724,653.16, 4,086,968.40 and 831,388.32 is: 1,247,079.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724,653.16 : 4,086,968.40 = 831,388.32 : x
  2. Step 2: Convert to fraction form
    2,724,653.16/4,086,968.40 = 831,388.32/x
  3. Step 3: Cross multiply
    2,724,653.16x = 4,086,968.40 × 831,388.32
  4. Step 4: Simplify right side
    2,724,653.16x = 3,397,857,791,969.09
  5. Step 5: Solve for x
    x = 3,397,857,791,969.09/2,724,653.16
  6. Step 6: Final answer
    x = 1,247,079.02

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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.