Home / 1,927,801.40-2,660,658.96-1,230,383.24

Finding the Fourth Proportional to 1,927,801.40, 2,660,658.96 and 1,230,383.24

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Solution

The fourth proportional to 1,927,801.40, 2,660,658.96 and 1,230,383.24 is: 1,698,115.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,801.40 : 2,660,658.96 = 1,230,383.24 : x
  2. Step 2: Convert to fraction form
    1,927,801.40/2,660,658.96 = 1,230,383.24/x
  3. Step 3: Cross multiply
    1,927,801.40x = 2,660,658.96 × 1,230,383.24
  4. Step 4: Simplify right side
    1,927,801.40x = 3,273,630,191,739.83
  5. Step 5: Solve for x
    x = 3,273,630,191,739.83/1,927,801.40
  6. Step 6: Final answer
    x = 1,698,115.89

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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.