Home / 5,167,229.96-7,130,313.87-2,991,919.94

Finding the Fourth Proportional to 5,167,229.96, 7,130,313.87 and 2,991,919.94

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Solution

The fourth proportional to 5,167,229.96, 7,130,313.87 and 2,991,919.94 is: 4,128,581.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167,229.96 : 7,130,313.87 = 2,991,919.94 : x
  2. Step 2: Convert to fraction form
    5,167,229.96/7,130,313.87 = 2,991,919.94/x
  3. Step 3: Cross multiply
    5,167,229.96x = 7,130,313.87 × 2,991,919.94
  4. Step 4: Simplify right side
    5,167,229.96x = 21,333,328,246,111.57
  5. Step 5: Solve for x
    x = 21,333,328,246,111.57/5,167,229.96
  6. Step 6: Final answer
    x = 4,128,581.16

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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.