Home / 3,174,939.70-4,373,405.28-2,561,374.45

Finding the Fourth Proportional to 3,174,939.70, 4,373,405.28 and 2,561,374.45

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Solution

The fourth proportional to 3,174,939.70, 4,373,405.28 and 2,561,374.45 is: 3,528,233.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174,939.70 : 4,373,405.28 = 2,561,374.45 : x
  2. Step 2: Convert to fraction form
    3,174,939.70/4,373,405.28 = 2,561,374.45/x
  3. Step 3: Cross multiply
    3,174,939.70x = 4,373,405.28 × 2,561,374.45
  4. Step 4: Simplify right side
    3,174,939.70x = 11,201,928,532,753.58
  5. Step 5: Solve for x
    x = 11,201,928,532,753.58/3,174,939.70
  6. Step 6: Final answer
    x = 3,528,233.48

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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.