Home / 5,221,273.92-7,831,911.36-1,855,613.76

Finding the Fourth Proportional to 5,221,273.92, 7,831,911.36 and 1,855,613.76

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Solution

The fourth proportional to 5,221,273.92, 7,831,911.36 and 1,855,613.76 is: 2,783,420.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,273.92 : 7,831,911.36 = 1,855,613.76 : x
  2. Step 2: Convert to fraction form
    5,221,273.92/7,831,911.36 = 1,855,613.76/x
  3. Step 3: Cross multiply
    5,221,273.92x = 7,831,911.36 × 1,855,613.76
  4. Step 4: Simplify right side
    5,221,273.92x = 14,533,002,486,716.31
  5. Step 5: Solve for x
    x = 14,533,002,486,716.31/5,221,273.92
  6. Step 6: Final answer
    x = 2,783,420.81

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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.