Home / 1,856,015.28-2,561,179.68-1,091,921.28

Finding the Fourth Proportional to 1,856,015.28, 2,561,179.68 and 1,091,921.28

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Solution

The fourth proportional to 1,856,015.28, 2,561,179.68 and 1,091,921.28 is: 1,506,779.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,015.28 : 2,561,179.68 = 1,091,921.28 : x
  2. Step 2: Convert to fraction form
    1,856,015.28/2,561,179.68 = 1,091,921.28/x
  3. Step 3: Cross multiply
    1,856,015.28x = 2,561,179.68 × 1,091,921.28
  4. Step 4: Simplify right side
    1,856,015.28x = 2,796,606,594,495.59
  5. Step 5: Solve for x
    x = 2,796,606,594,495.59/1,856,015.28
  6. Step 6: Final answer
    x = 1,506,779.94

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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.