Home / 2,079,297.60-3,119,983.20-1,181,428.80

Finding the Fourth Proportional to 2,079,297.60, 3,119,983.20 and 1,181,428.80

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Solution

The fourth proportional to 2,079,297.60, 3,119,983.20 and 1,181,428.80 is: 1,772,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,297.60 : 3,119,983.20 = 1,181,428.80 : x
  2. Step 2: Convert to fraction form
    2,079,297.60/3,119,983.20 = 1,181,428.80/x
  3. Step 3: Cross multiply
    2,079,297.60x = 3,119,983.20 × 1,181,428.80
  4. Step 4: Simplify right side
    2,079,297.60x = 3,686,038,007,996.16
  5. Step 5: Solve for x
    x = 3,686,038,007,996.16/2,079,297.60
  6. Step 6: Final answer
    x = 1,772,732.30

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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.