Home / 2,760,428.70-4,140,643.05-867,167.10

Finding the Fourth Proportional to 2,760,428.70, 4,140,643.05 and 867,167.10

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Solution

The fourth proportional to 2,760,428.70, 4,140,643.05 and 867,167.10 is: 1,300,750.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760,428.70 : 4,140,643.05 = 867,167.10 : x
  2. Step 2: Convert to fraction form
    2,760,428.70/4,140,643.05 = 867,167.10/x
  3. Step 3: Cross multiply
    2,760,428.70x = 4,140,643.05 × 867,167.10
  4. Step 4: Simplify right side
    2,760,428.70x = 3,590,629,425,803.66
  5. Step 5: Solve for x
    x = 3,590,629,425,803.66/2,760,428.70
  6. Step 6: Final answer
    x = 1,300,750.65

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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.