Home / 2,724,457.20-4,086,674.40-831,192.32

Finding the Fourth Proportional to 2,724,457.20, 4,086,674.40 and 831,192.32

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Solution

The fourth proportional to 2,724,457.20, 4,086,674.40 and 831,192.32 is: 1,246,785.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724,457.20 : 4,086,674.40 = 831,192.32 : x
  2. Step 2: Convert to fraction form
    2,724,457.20/4,086,674.40 = 831,192.32/x
  3. Step 3: Cross multiply
    2,724,457.20x = 4,086,674.40 × 831,192.32
  4. Step 4: Simplify right side
    2,724,457.20x = 3,396,812,375,620.61
  5. Step 5: Solve for x
    x = 3,396,812,375,620.61/2,724,457.20
  6. Step 6: Final answer
    x = 1,246,785.00

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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.