Home / 3,820,451.16-5,271,457.92-2,189,370.17

Finding the Fourth Proportional to 3,820,451.16, 5,271,457.92 and 2,189,370.17

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Solution

The fourth proportional to 3,820,451.16, 5,271,457.92 and 2,189,370.17 is: 3,020,892.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820,451.16 : 5,271,457.92 = 2,189,370.17 : x
  2. Step 2: Convert to fraction form
    3,820,451.16/5,271,457.92 = 2,189,370.17/x
  3. Step 3: Cross multiply
    3,820,451.16x = 5,271,457.92 × 2,189,370.17
  4. Step 4: Simplify right side
    3,820,451.16x = 11,541,172,696,100.96
  5. Step 5: Solve for x
    x = 11,541,172,696,100.96/3,820,451.16
  6. Step 6: Final answer
    x = 3,020,892.62

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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.