Home / 5,135,457.79-7,086,845.20-2,843,569.27

Finding the Fourth Proportional to 5,135,457.79, 7,086,845.20 and 2,843,569.27

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Solution

The fourth proportional to 5,135,457.79, 7,086,845.20 and 2,843,569.27 is: 3,924,077.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135,457.79 : 7,086,845.20 = 2,843,569.27 : x
  2. Step 2: Convert to fraction form
    5,135,457.79/7,086,845.20 = 2,843,569.27/x
  3. Step 3: Cross multiply
    5,135,457.79x = 7,086,845.20 × 2,843,569.27
  4. Step 4: Simplify right side
    5,135,457.79x = 20,151,935,231,967.00
  5. Step 5: Solve for x
    x = 20,151,935,231,967.00/5,135,457.79
  6. Step 6: Final answer
    x = 3,924,077.67

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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.