Home / 2,735,288.60-4,099,265.40-2,128,809.25

Finding the Fourth Proportional to 2,735,288.60, 4,099,265.40 and 2,128,809.25

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Solution

The fourth proportional to 2,735,288.60, 4,099,265.40 and 2,128,809.25 is: 3,190,359.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735,288.60 : 4,099,265.40 = 2,128,809.25 : x
  2. Step 2: Convert to fraction form
    2,735,288.60/4,099,265.40 = 2,128,809.25/x
  3. Step 3: Cross multiply
    2,735,288.60x = 4,099,265.40 × 2,128,809.25
  4. Step 4: Simplify right side
    2,735,288.60x = 8,726,554,081,228.62
  5. Step 5: Solve for x
    x = 8,726,554,081,228.62/2,735,288.60
  6. Step 6: Final answer
    x = 3,190,359.54

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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.