Home / 2,091,260.10-3,140,000.55-1,618,479.30

Finding the Fourth Proportional to 2,091,260.10, 3,140,000.55 and 1,618,479.30

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Solution

The fourth proportional to 2,091,260.10, 3,140,000.55 and 1,618,479.30 is: 2,430,126.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,260.10 : 3,140,000.55 = 1,618,479.30 : x
  2. Step 2: Convert to fraction form
    2,091,260.10/3,140,000.55 = 1,618,479.30/x
  3. Step 3: Cross multiply
    2,091,260.10x = 3,140,000.55 × 1,618,479.30
  4. Step 4: Simplify right side
    2,091,260.10x = 5,082,025,892,163.62
  5. Step 5: Solve for x
    x = 5,082,025,892,163.62/2,091,260.10
  6. Step 6: Final answer
    x = 2,430,126.17

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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.