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Finding the Fourth Proportional to 6,446,144.97, 8,895,684.67 and 3,545,756.51

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Solution

The fourth proportional to 6,446,144.97, 8,895,684.67 and 3,545,756.51 is: 4,893,146.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,446,144.97 : 8,895,684.67 = 3,545,756.51 : x
  2. Step 2: Convert to fraction form
    6,446,144.97/8,895,684.67 = 3,545,756.51/x
  3. Step 3: Cross multiply
    6,446,144.97x = 8,895,684.67 × 3,545,756.51
  4. Step 4: Simplify right side
    6,446,144.97x = 31,541,931,776,216.89
  5. Step 5: Solve for x
    x = 31,541,931,776,216.89/6,446,144.97
  6. Step 6: Final answer
    x = 4,893,146.51

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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.