Home / 5,090,576.74-7,024,815.22-2,798,719.54

Finding the Fourth Proportional to 5,090,576.74, 7,024,815.22 and 2,798,719.54

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Solution

The fourth proportional to 5,090,576.74, 7,024,815.22 and 2,798,719.54 is: 3,862,133.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090,576.74 : 7,024,815.22 = 2,798,719.54 : x
  2. Step 2: Convert to fraction form
    5,090,576.74/7,024,815.22 = 2,798,719.54/x
  3. Step 3: Cross multiply
    5,090,576.74x = 7,024,815.22 × 2,798,719.54
  4. Step 4: Simplify right side
    5,090,576.74x = 19,660,487,621,103.40
  5. Step 5: Solve for x
    x = 19,660,487,621,103.40/5,090,576.74
  6. Step 6: Final answer
    x = 3,862,133.63

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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.