Home / 3,178,588.80-4,767,883.20-2,935,977.60

Finding the Fourth Proportional to 3,178,588.80, 4,767,883.20 and 2,935,977.60

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Solution

The fourth proportional to 3,178,588.80, 4,767,883.20 and 2,935,977.60 is: 4,403,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,588.80 : 4,767,883.20 = 2,935,977.60 : x
  2. Step 2: Convert to fraction form
    3,178,588.80/4,767,883.20 = 2,935,977.60/x
  3. Step 3: Cross multiply
    3,178,588.80x = 4,767,883.20 × 2,935,977.60
  4. Step 4: Simplify right side
    3,178,588.80x = 13,998,398,274,616.32
  5. Step 5: Solve for x
    x = 13,998,398,274,616.32/3,178,588.80
  6. Step 6: Final answer
    x = 4,403,966.40

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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.