Home / 2,122,511.20-2,928,917.76-1,204,759.36

Finding the Fourth Proportional to 2,122,511.20, 2,928,917.76 and 1,204,759.36

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Solution

The fourth proportional to 2,122,511.20, 2,928,917.76 and 1,204,759.36 is: 1,662,484.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,511.20 : 2,928,917.76 = 1,204,759.36 : x
  2. Step 2: Convert to fraction form
    2,122,511.20/2,928,917.76 = 1,204,759.36/x
  3. Step 3: Cross multiply
    2,122,511.20x = 2,928,917.76 × 1,204,759.36
  4. Step 4: Simplify right side
    2,122,511.20x = 3,528,641,086,030.23
  5. Step 5: Solve for x
    x = 3,528,641,086,030.23/2,122,511.20
  6. Step 6: Final answer
    x = 1,662,484.08

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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.