Home / 3,759,927.17-5,188,715.07-2,128,649.34

Finding the Fourth Proportional to 3,759,927.17, 5,188,715.07 and 2,128,649.34

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Solution

The fourth proportional to 3,759,927.17, 5,188,715.07 and 2,128,649.34 is: 2,937,544.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759,927.17 : 5,188,715.07 = 2,128,649.34 : x
  2. Step 2: Convert to fraction form
    3,759,927.17/5,188,715.07 = 2,128,649.34/x
  3. Step 3: Cross multiply
    3,759,927.17x = 5,188,715.07 × 2,128,649.34
  4. Step 4: Simplify right side
    3,759,927.17x = 11,044,954,909,203.55
  5. Step 5: Solve for x
    x = 11,044,954,909,203.55/3,759,927.17
  6. Step 6: Final answer
    x = 2,937,544.91

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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.