Home / 1,815,775.80-2,716,665.30-1,185,919.80

Finding the Fourth Proportional to 1,815,775.80, 2,716,665.30 and 1,185,919.80

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Solution

The fourth proportional to 1,815,775.80, 2,716,665.30 and 1,185,919.80 is: 1,774,308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,775.80 : 2,716,665.30 = 1,185,919.80 : x
  2. Step 2: Convert to fraction form
    1,815,775.80/2,716,665.30 = 1,185,919.80/x
  3. Step 3: Cross multiply
    1,815,775.80x = 2,716,665.30 × 1,185,919.80
  4. Step 4: Simplify right side
    1,815,775.80x = 3,221,747,169,242.94
  5. Step 5: Solve for x
    x = 3,221,747,169,242.94/1,815,775.80
  6. Step 6: Final answer
    x = 1,774,308.90

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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.