Home / 1,815,006.72-2,505,392.64-1,363,601.28

Finding the Fourth Proportional to 1,815,006.72, 2,505,392.64 and 1,363,601.28

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Solution

The fourth proportional to 1,815,006.72, 2,505,392.64 and 1,363,601.28 is: 1,882,283.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,006.72 : 2,505,392.64 = 1,363,601.28 : x
  2. Step 2: Convert to fraction form
    1,815,006.72/2,505,392.64 = 1,363,601.28/x
  3. Step 3: Cross multiply
    1,815,006.72x = 2,505,392.64 × 1,363,601.28
  4. Step 4: Simplify right side
    1,815,006.72x = 3,416,356,610,806.58
  5. Step 5: Solve for x
    x = 3,416,356,610,806.58/1,815,006.72
  6. Step 6: Final answer
    x = 1,882,283.17

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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.