Home / 2,890,588.46-3,987,208.22-1,859,440.68

Finding the Fourth Proportional to 2,890,588.46, 3,987,208.22 and 1,859,440.68

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Solution

The fourth proportional to 2,890,588.46, 3,987,208.22 and 1,859,440.68 is: 2,564,867.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,588.46 : 3,987,208.22 = 1,859,440.68 : x
  2. Step 2: Convert to fraction form
    2,890,588.46/3,987,208.22 = 1,859,440.68/x
  3. Step 3: Cross multiply
    2,890,588.46x = 3,987,208.22 × 1,859,440.68
  4. Step 4: Simplify right side
    2,890,588.46x = 7,413,977,163,898.39
  5. Step 5: Solve for x
    x = 7,413,977,163,898.39/2,890,588.46
  6. Step 6: Final answer
    x = 2,564,867.77

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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.