Home / 2,180,289.74-3,008,799.84-1,213,648.38

Finding the Fourth Proportional to 2,180,289.74, 3,008,799.84 and 1,213,648.38

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Solution

The fourth proportional to 2,180,289.74, 3,008,799.84 and 1,213,648.38 is: 1,674,834.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,289.74 : 3,008,799.84 = 1,213,648.38 : x
  2. Step 2: Convert to fraction form
    2,180,289.74/3,008,799.84 = 1,213,648.38/x
  3. Step 3: Cross multiply
    2,180,289.74x = 3,008,799.84 × 1,213,648.38
  4. Step 4: Simplify right side
    2,180,289.74x = 3,651,625,045,492.02
  5. Step 5: Solve for x
    x = 3,651,625,045,492.02/2,180,289.74
  6. Step 6: Final answer
    x = 1,674,834.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.