Home / 2,051,138.40-3,079,477.80-1,199,083.20

Finding the Fourth Proportional to 2,051,138.40, 3,079,477.80 and 1,199,083.20

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Solution

The fourth proportional to 2,051,138.40, 3,079,477.80 and 1,199,083.20 is: 1,800,244.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051,138.40 : 3,079,477.80 = 1,199,083.20 : x
  2. Step 2: Convert to fraction form
    2,051,138.40/3,079,477.80 = 1,199,083.20/x
  3. Step 3: Cross multiply
    2,051,138.40x = 3,079,477.80 × 1,199,083.20
  4. Step 4: Simplify right side
    2,051,138.40x = 3,692,550,094,752.96
  5. Step 5: Solve for x
    x = 3,692,550,094,752.96/2,051,138.40
  6. Step 6: Final answer
    x = 1,800,244.24

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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.