Home / 1,409,821.60-1,940,636.82-1,216,841.56

Finding the Fourth Proportional to 1,409,821.60, 1,940,636.82 and 1,216,841.56

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Solution

The fourth proportional to 1,409,821.60, 1,940,636.82 and 1,216,841.56 is: 1,674,997.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,821.60 : 1,940,636.82 = 1,216,841.56 : x
  2. Step 2: Convert to fraction form
    1,409,821.60/1,940,636.82 = 1,216,841.56/x
  3. Step 3: Cross multiply
    1,409,821.60x = 1,940,636.82 × 1,216,841.56
  4. Step 4: Simplify right side
    1,409,821.60x = 2,361,447,535,442.24
  5. Step 5: Solve for x
    x = 2,361,447,535,442.24/1,409,821.60
  6. Step 6: Final answer
    x = 1,674,997.41

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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.