Home / 1,999,848.72-2,759,789.44-1,128,866.73

Finding the Fourth Proportional to 1,999,848.72, 2,759,789.44 and 1,128,866.73

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Solution

The fourth proportional to 1,999,848.72, 2,759,789.44 and 1,128,866.73 is: 1,557,835.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,848.72 : 2,759,789.44 = 1,128,866.73 : x
  2. Step 2: Convert to fraction form
    1,999,848.72/2,759,789.44 = 1,128,866.73/x
  3. Step 3: Cross multiply
    1,999,848.72x = 2,759,789.44 × 1,128,866.73
  4. Step 4: Simplify right side
    1,999,848.72x = 3,115,434,471,683.20
  5. Step 5: Solve for x
    x = 3,115,434,471,683.20/1,999,848.72
  6. Step 6: Final answer
    x = 1,557,835.07

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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.