Home / 3,743,808.72-5,166,457.04-2,112,561.80

Finding the Fourth Proportional to 3,743,808.72, 5,166,457.04 and 2,112,561.80

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Solution

The fourth proportional to 3,743,808.72, 5,166,457.04 and 2,112,561.80 is: 2,915,335.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743,808.72 : 5,166,457.04 = 2,112,561.80 : x
  2. Step 2: Convert to fraction form
    3,743,808.72/5,166,457.04 = 2,112,561.80/x
  3. Step 3: Cross multiply
    3,743,808.72x = 5,166,457.04 × 2,112,561.80
  4. Step 4: Simplify right side
    3,743,808.72x = 10,914,459,784,045.07
  5. Step 5: Solve for x
    x = 10,914,459,784,045.07/3,743,808.72
  6. Step 6: Final answer
    x = 2,915,335.85

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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.