Home / 2,735,301.05-4,099,284.10-2,128,821.70

Finding the Fourth Proportional to 2,735,301.05, 4,099,284.10 and 2,128,821.70

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Solution

The fourth proportional to 2,735,301.05, 4,099,284.10 and 2,128,821.70 is: 3,190,378.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735,301.05 : 4,099,284.10 = 2,128,821.70 : x
  2. Step 2: Convert to fraction form
    2,735,301.05/4,099,284.10 = 2,128,821.70/x
  3. Step 3: Cross multiply
    2,735,301.05x = 4,099,284.10 × 2,128,821.70
  4. Step 4: Simplify right side
    2,735,301.05x = 8,726,644,934,669.32
  5. Step 5: Solve for x
    x = 8,726,644,934,669.32/2,735,301.05
  6. Step 6: Final answer
    x = 3,190,378.24

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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.