Home / 1,860,392.68-2,566,955.82-1,216,758.76

Finding the Fourth Proportional to 1,860,392.68, 2,566,955.82 and 1,216,758.76

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Solution

The fourth proportional to 1,860,392.68, 2,566,955.82 and 1,216,758.76 is: 1,678,874.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,392.68 : 2,566,955.82 = 1,216,758.76 : x
  2. Step 2: Convert to fraction form
    1,860,392.68/2,566,955.82 = 1,216,758.76/x
  3. Step 3: Cross multiply
    1,860,392.68x = 2,566,955.82 × 1,216,758.76
  4. Step 4: Simplify right side
    1,860,392.68x = 3,123,365,980,517.98
  5. Step 5: Solve for x
    x = 3,123,365,980,517.98/1,860,392.68
  6. Step 6: Final answer
    x = 1,678,874.58

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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.