Home / 1,775,223.40-2,662,835.10-1,491,788.20

Finding the Fourth Proportional to 1,775,223.40, 2,662,835.10 and 1,491,788.20

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Solution

The fourth proportional to 1,775,223.40, 2,662,835.10 and 1,491,788.20 is: 2,237,682.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,223.40 : 2,662,835.10 = 1,491,788.20 : x
  2. Step 2: Convert to fraction form
    1,775,223.40/2,662,835.10 = 1,491,788.20/x
  3. Step 3: Cross multiply
    1,775,223.40x = 2,662,835.10 × 1,491,788.20
  4. Step 4: Simplify right side
    1,775,223.40x = 3,972,385,980,725.82
  5. Step 5: Solve for x
    x = 3,972,385,980,725.82/1,775,223.40
  6. Step 6: Final answer
    x = 2,237,682.30

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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.