Home / 3,173,876.03-4,381,289.61-2,142,780.36

Finding the Fourth Proportional to 3,173,876.03, 4,381,289.61 and 2,142,780.36

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Solution

The fourth proportional to 3,173,876.03, 4,381,289.61 and 2,142,780.36 is: 2,957,942.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173,876.03 : 4,381,289.61 = 2,142,780.36 : x
  2. Step 2: Convert to fraction form
    3,173,876.03/4,381,289.61 = 2,142,780.36/x
  3. Step 3: Cross multiply
    3,173,876.03x = 4,381,289.61 × 2,142,780.36
  4. Step 4: Simplify right side
    3,173,876.03x = 9,388,141,303,314.80
  5. Step 5: Solve for x
    x = 9,388,141,303,314.80/3,173,876.03
  6. Step 6: Final answer
    x = 2,957,942.03

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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.