Home / 2,145,411.36-3,219,474.60-1,199,402.64

Finding the Fourth Proportional to 2,145,411.36, 3,219,474.60 and 1,199,402.64

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Solution

The fourth proportional to 2,145,411.36, 3,219,474.60 and 1,199,402.64 is: 1,799,862.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,411.36 : 3,219,474.60 = 1,199,402.64 : x
  2. Step 2: Convert to fraction form
    2,145,411.36/3,219,474.60 = 1,199,402.64/x
  3. Step 3: Cross multiply
    2,145,411.36x = 3,219,474.60 × 1,199,402.64
  4. Step 4: Simplify right side
    2,145,411.36x = 3,861,446,334,652.94
  5. Step 5: Solve for x
    x = 3,861,446,334,652.94/2,145,411.36
  6. Step 6: Final answer
    x = 1,799,862.91

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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.