Home / 1,620,933.64-2,429,227.10-1,261,538.44

Finding the Fourth Proportional to 1,620,933.64, 2,429,227.10 and 1,261,538.44

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Solution

The fourth proportional to 1,620,933.64, 2,429,227.10 and 1,261,538.44 is: 1,890,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,933.64 : 2,429,227.10 = 1,261,538.44 : x
  2. Step 2: Convert to fraction form
    1,620,933.64/2,429,227.10 = 1,261,538.44/x
  3. Step 3: Cross multiply
    1,620,933.64x = 2,429,227.10 × 1,261,538.44
  4. Step 4: Simplify right side
    1,620,933.64x = 3,064,563,366,139.72
  5. Step 5: Solve for x
    x = 3,064,563,366,139.72/1,620,933.64
  6. Step 6: Final answer
    x = 1,890,616.18

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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.