Home / 3,190,655.60-4,785,983.40-2,623,785.20

Finding the Fourth Proportional to 3,190,655.60, 4,785,983.40 and 2,623,785.20

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Solution

The fourth proportional to 3,190,655.60, 4,785,983.40 and 2,623,785.20 is: 3,935,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190,655.60 : 4,785,983.40 = 2,623,785.20 : x
  2. Step 2: Convert to fraction form
    3,190,655.60/4,785,983.40 = 2,623,785.20/x
  3. Step 3: Cross multiply
    3,190,655.60x = 4,785,983.40 × 2,623,785.20
  4. Step 4: Simplify right side
    3,190,655.60x = 12,557,392,412,365.68
  5. Step 5: Solve for x
    x = 12,557,392,412,365.68/3,190,655.60
  6. Step 6: Final answer
    x = 3,935,677.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.