Home / 3,944,564.21-5,443,583.58-2,178,457.02

Finding the Fourth Proportional to 3,944,564.21, 5,443,583.58 and 2,178,457.02

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Solution

The fourth proportional to 3,944,564.21, 5,443,583.58 and 2,178,457.02 is: 3,006,317.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944,564.21 : 5,443,583.58 = 2,178,457.02 : x
  2. Step 2: Convert to fraction form
    3,944,564.21/5,443,583.58 = 2,178,457.02/x
  3. Step 3: Cross multiply
    3,944,564.21x = 5,443,583.58 × 2,178,457.02
  4. Step 4: Simplify right side
    3,944,564.21x = 11,858,612,863,807.73
  5. Step 5: Solve for x
    x = 11,858,612,863,807.73/3,944,564.21
  6. Step 6: Final answer
    x = 3,006,317.62

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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.