Home / 2,582,709.20-3,872,681.40-1,085,109.20

Finding the Fourth Proportional to 2,582,709.20, 3,872,681.40 and 1,085,109.20

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Solution

The fourth proportional to 2,582,709.20, 3,872,681.40 and 1,085,109.20 is: 1,627,082.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,582,709.20 : 3,872,681.40 = 1,085,109.20 : x
  2. Step 2: Convert to fraction form
    2,582,709.20/3,872,681.40 = 1,085,109.20/x
  3. Step 3: Cross multiply
    2,582,709.20x = 3,872,681.40 × 1,085,109.20
  4. Step 4: Simplify right side
    2,582,709.20x = 4,202,282,215,808.88
  5. Step 5: Solve for x
    x = 4,202,282,215,808.88/2,582,709.20
  6. Step 6: Final answer
    x = 1,627,082.99

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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.