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Finding the Fourth Proportional to 6,579,950.64, 9,866,126.88 and 2,029,777.68

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Solution

The fourth proportional to 6,579,950.64, 9,866,126.88 and 2,029,777.68 is: 3,043,494.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579,950.64 : 9,866,126.88 = 2,029,777.68 : x
  2. Step 2: Convert to fraction form
    6,579,950.64/9,866,126.88 = 2,029,777.68/x
  3. Step 3: Cross multiply
    6,579,950.64x = 9,866,126.88 × 2,029,777.68
  4. Step 4: Simplify right side
    6,579,950.64x = 20,026,044,129,072.04
  5. Step 5: Solve for x
    x = 20,026,044,129,072.04/6,579,950.64
  6. Step 6: Final answer
    x = 3,043,494.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.