Home / 4,128,823.11-5,695,477.90-3,836,555.17

Finding the Fourth Proportional to 4,128,823.11, 5,695,477.90 and 3,836,555.17

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Solution

The fourth proportional to 4,128,823.11, 5,695,477.90 and 3,836,555.17 is: 5,292,310.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128,823.11 : 5,695,477.90 = 3,836,555.17 : x
  2. Step 2: Convert to fraction form
    4,128,823.11/5,695,477.90 = 3,836,555.17/x
  3. Step 3: Cross multiply
    4,128,823.11x = 5,695,477.90 × 3,836,555.17
  4. Step 4: Simplify right side
    4,128,823.11x = 21,851,015,182,865.74
  5. Step 5: Solve for x
    x = 21,851,015,182,865.74/4,128,823.11
  6. Step 6: Final answer
    x = 5,292,310.81

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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.