Home / 2,735,288.35-4,099,265.03-2,128,808.98

Finding the Fourth Proportional to 2,735,288.35, 4,099,265.03 and 2,128,808.98

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Solution

The fourth proportional to 2,735,288.35, 4,099,265.03 and 2,128,808.98 is: 3,190,359.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735,288.35 : 4,099,265.03 = 2,128,808.98 : x
  2. Step 2: Convert to fraction form
    2,735,288.35/4,099,265.03 = 2,128,808.98/x
  3. Step 3: Cross multiply
    2,735,288.35x = 4,099,265.03 × 2,128,808.98
  4. Step 4: Simplify right side
    2,735,288.35x = 8,726,552,196,619.92
  5. Step 5: Solve for x
    x = 8,726,552,196,619.92/2,735,288.35
  6. Step 6: Final answer
    x = 3,190,359.15

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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.