Home / 2,892,695.40-3,991,651.44-1,603,426.14

Finding the Fourth Proportional to 2,892,695.40, 3,991,651.44 and 1,603,426.14

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Solution

The fourth proportional to 2,892,695.40, 3,991,651.44 and 1,603,426.14 is: 2,212,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892,695.40 : 3,991,651.44 = 1,603,426.14 : x
  2. Step 2: Convert to fraction form
    2,892,695.40/3,991,651.44 = 1,603,426.14/x
  3. Step 3: Cross multiply
    2,892,695.40x = 3,991,651.44 × 1,603,426.14
  4. Step 4: Simplify right side
    2,892,695.40x = 6,400,318,260,664.64
  5. Step 5: Solve for x
    x = 6,400,318,260,664.64/2,892,695.40
  6. Step 6: Final answer
    x = 2,212,579.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.