Home / 2,079,299.80-3,115,596.30-1,178,061.40

Finding the Fourth Proportional to 2,079,299.80, 3,115,596.30 and 1,178,061.40

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Solution

The fourth proportional to 2,079,299.80, 3,115,596.30 and 1,178,061.40 is: 1,765,192.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,299.80 : 3,115,596.30 = 1,178,061.40 : x
  2. Step 2: Convert to fraction form
    2,079,299.80/3,115,596.30 = 1,178,061.40/x
  3. Step 3: Cross multiply
    2,079,299.80x = 3,115,596.30 × 1,178,061.40
  4. Step 4: Simplify right side
    2,079,299.80x = 3,670,363,739,012.82
  5. Step 5: Solve for x
    x = 3,670,363,739,012.82/2,079,299.80
  6. Step 6: Final answer
    x = 1,765,192.18

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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.