Home / 2,875,523.10-4,311,644.40-1,078,465.20

Finding the Fourth Proportional to 2,875,523.10, 4,311,644.40 and 1,078,465.20

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Solution

The fourth proportional to 2,875,523.10, 4,311,644.40 and 1,078,465.20 is: 1,617,082.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875,523.10 : 4,311,644.40 = 1,078,465.20 : x
  2. Step 2: Convert to fraction form
    2,875,523.10/4,311,644.40 = 1,078,465.20/x
  3. Step 3: Cross multiply
    2,875,523.10x = 4,311,644.40 × 1,078,465.20
  4. Step 4: Simplify right side
    2,875,523.10x = 4,649,958,440,174.88
  5. Step 5: Solve for x
    x = 4,649,958,440,174.88/2,875,523.10
  6. Step 6: Final answer
    x = 1,617,082.62

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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.