Home / 5,138,277.28-7,090,725.02-2,846,456.80

Finding the Fourth Proportional to 5,138,277.28, 7,090,725.02 and 2,846,456.80

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Solution

The fourth proportional to 5,138,277.28, 7,090,725.02 and 2,846,456.80 is: 3,928,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,277.28 : 7,090,725.02 = 2,846,456.80 : x
  2. Step 2: Convert to fraction form
    5,138,277.28/7,090,725.02 = 2,846,456.80/x
  3. Step 3: Cross multiply
    5,138,277.28x = 7,090,725.02 × 2,846,456.80
  4. Step 4: Simplify right side
    5,138,277.28x = 20,183,442,450,109.13
  5. Step 5: Solve for x
    x = 20,183,442,450,109.13/5,138,277.28
  6. Step 6: Final answer
    x = 3,928,056.30

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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.