Home / 1,809,092.40-2,497,715.78-1,121,499.06

Finding the Fourth Proportional to 1,809,092.40, 2,497,715.78 and 1,121,499.06

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Solution

The fourth proportional to 1,809,092.40, 2,497,715.78 and 1,121,499.06 is: 1,548,392.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,092.40 : 2,497,715.78 = 1,121,499.06 : x
  2. Step 2: Convert to fraction form
    1,809,092.40/2,497,715.78 = 1,121,499.06/x
  3. Step 3: Cross multiply
    1,809,092.40x = 2,497,715.78 × 1,121,499.06
  4. Step 4: Simplify right side
    1,809,092.40x = 2,801,185,893,809.67
  5. Step 5: Solve for x
    x = 2,801,185,893,809.67/1,809,092.40
  6. Step 6: Final answer
    x = 1,548,392.94

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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.