Home / 5,174,851.34-7,725,891.48-3,954,038.78

Finding the Fourth Proportional to 5,174,851.34, 7,725,891.48 and 3,954,038.78

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Solution

The fourth proportional to 5,174,851.34, 7,725,891.48 and 3,954,038.78 is: 5,903,256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174,851.34 : 7,725,891.48 = 3,954,038.78 : x
  2. Step 2: Convert to fraction form
    5,174,851.34/7,725,891.48 = 3,954,038.78/x
  3. Step 3: Cross multiply
    5,174,851.34x = 7,725,891.48 × 3,954,038.78
  4. Step 4: Simplify right side
    5,174,851.34x = 30,548,474,521,991.59
  5. Step 5: Solve for x
    x = 30,548,474,521,991.59/5,174,851.34
  6. Step 6: Final answer
    x = 5,903,256.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.