Home / 3,347,878.64-5,021,772.60-823,555.76

Finding the Fourth Proportional to 3,347,878.64, 5,021,772.60 and 823,555.76

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Solution

The fourth proportional to 3,347,878.64, 5,021,772.60 and 823,555.76 is: 1,235,322.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347,878.64 : 5,021,772.60 = 823,555.76 : x
  2. Step 2: Convert to fraction form
    3,347,878.64/5,021,772.60 = 823,555.76/x
  3. Step 3: Cross multiply
    3,347,878.64x = 5,021,772.60 × 823,555.76
  4. Step 4: Simplify right side
    3,347,878.64x = 4,135,709,750,140.18
  5. Step 5: Solve for x
    x = 4,135,709,750,140.18/3,347,878.64
  6. Step 6: Final answer
    x = 1,235,322.48

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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.