Home / 4,085,654.75-5,638,816.51-3,103,978.36

Finding the Fourth Proportional to 4,085,654.75, 5,638,816.51 and 3,103,978.36

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Solution

The fourth proportional to 4,085,654.75, 5,638,816.51 and 3,103,978.36 is: 4,283,955.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085,654.75 : 5,638,816.51 = 3,103,978.36 : x
  2. Step 2: Convert to fraction form
    4,085,654.75/5,638,816.51 = 3,103,978.36/x
  3. Step 3: Cross multiply
    4,085,654.75x = 5,638,816.51 × 3,103,978.36
  4. Step 4: Simplify right side
    4,085,654.75x = 17,502,764,422,339.30
  5. Step 5: Solve for x
    x = 17,502,764,422,339.30/4,085,654.75
  6. Step 6: Final answer
    x = 4,283,955.82

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1.5x scale

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.