Home / 2,079,012.30-3,118,972.05-1,180,884.30

Finding the Fourth Proportional to 2,079,012.30, 3,118,972.05 and 1,180,884.30

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Solution

The fourth proportional to 2,079,012.30, 3,118,972.05 and 1,180,884.30 is: 1,771,584.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,012.30 : 3,118,972.05 = 1,180,884.30 : x
  2. Step 2: Convert to fraction form
    2,079,012.30/3,118,972.05 = 1,180,884.30/x
  3. Step 3: Cross multiply
    2,079,012.30x = 3,118,972.05 × 1,180,884.30
  4. Step 4: Simplify right side
    2,079,012.30x = 3,683,145,125,983.82
  5. Step 5: Solve for x
    x = 3,683,145,125,983.82/2,079,012.30
  6. Step 6: Final answer
    x = 1,771,584.10

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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.