Home / 3,608,304.23-4,979,459.54-2,157,999.64

Finding the Fourth Proportional to 3,608,304.23, 4,979,459.54 and 2,157,999.64

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Solution

The fourth proportional to 3,608,304.23, 4,979,459.54 and 2,157,999.64 is: 2,978,039.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,304.23 : 4,979,459.54 = 2,157,999.64 : x
  2. Step 2: Convert to fraction form
    3,608,304.23/4,979,459.54 = 2,157,999.64/x
  3. Step 3: Cross multiply
    3,608,304.23x = 4,979,459.54 × 2,157,999.64
  4. Step 4: Simplify right side
    3,608,304.23x = 10,745,671,887,660.92
  5. Step 5: Solve for x
    x = 10,745,671,887,660.92/3,608,304.23
  6. Step 6: Final answer
    x = 2,978,039.32

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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.