Home / 2,678,920-3,696,911.04-1,471,773.76

Finding the Fourth Proportional to 2,678,920, 3,696,911.04 and 1,471,773.76

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Solution

The fourth proportional to 2,678,920, 3,696,911.04 and 1,471,773.76 is: 2,031,048.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,920 : 3,696,911.04 = 1,471,773.76 : x
  2. Step 2: Convert to fraction form
    2,678,920/3,696,911.04 = 1,471,773.76/x
  3. Step 3: Cross multiply
    2,678,920x = 3,696,911.04 × 1,471,773.76
  4. Step 4: Simplify right side
    2,678,920x = 5,441,016,661,726.31
  5. Step 5: Solve for x
    x = 5,441,016,661,726.31/2,678,920
  6. Step 6: Final answer
    x = 2,031,048.58

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