Home / 2,580,845.28-3,871,274.09-783,742.29

Finding the Fourth Proportional to 2,580,845.28, 3,871,274.09 and 783,742.29

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Solution

The fourth proportional to 2,580,845.28, 3,871,274.09 and 783,742.29 is: 1,175,615.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,845.28 : 3,871,274.09 = 783,742.29 : x
  2. Step 2: Convert to fraction form
    2,580,845.28/3,871,274.09 = 783,742.29/x
  3. Step 3: Cross multiply
    2,580,845.28x = 3,871,274.09 × 783,742.29
  4. Step 4: Simplify right side
    2,580,845.28x = 3,034,081,216,595.56
  5. Step 5: Solve for x
    x = 3,034,081,216,595.56/2,580,845.28
  6. Step 6: Final answer
    x = 1,175,615.31

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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.