Home / 5,429,049.73-8,143,569.91-1,385,537.22

Finding the Fourth Proportional to 5,429,049.73, 8,143,569.91 and 1,385,537.22

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Solution

The fourth proportional to 5,429,049.73, 8,143,569.91 and 1,385,537.22 is: 2,078,304.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,049.73 : 8,143,569.91 = 1,385,537.22 : x
  2. Step 2: Convert to fraction form
    5,429,049.73/8,143,569.91 = 1,385,537.22/x
  3. Step 3: Cross multiply
    5,429,049.73x = 8,143,569.91 × 1,385,537.22
  4. Step 4: Simplify right side
    5,429,049.73x = 11,283,219,213,977.05
  5. Step 5: Solve for x
    x = 11,283,219,213,977.05/5,429,049.73
  6. Step 6: Final answer
    x = 2,078,304.63

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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.