Home / 1,621,137.66-2,431,702.71-1,522,488.84

Finding the Fourth Proportional to 1,621,137.66, 2,431,702.71 and 1,522,488.84

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Solution

The fourth proportional to 1,621,137.66, 2,431,702.71 and 1,522,488.84 is: 2,283,729.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,137.66 : 2,431,702.71 = 1,522,488.84 : x
  2. Step 2: Convert to fraction form
    1,621,137.66/2,431,702.71 = 1,522,488.84/x
  3. Step 3: Cross multiply
    1,621,137.66x = 2,431,702.71 × 1,522,488.84
  4. Step 4: Simplify right side
    1,621,137.66x = 3,702,240,238,172.76
  5. Step 5: Solve for x
    x = 3,702,240,238,172.76/1,621,137.66
  6. Step 6: Final answer
    x = 2,283,729.71

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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.