Home / 5,161,174.59-7,742,692.73-2,126,851.52

Finding the Fourth Proportional to 5,161,174.59, 7,742,692.73 and 2,126,851.52

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Solution

The fourth proportional to 5,161,174.59, 7,742,692.73 and 2,126,851.52 is: 3,190,660.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161,174.59 : 7,742,692.73 = 2,126,851.52 : x
  2. Step 2: Convert to fraction form
    5,161,174.59/7,742,692.73 = 2,126,851.52/x
  3. Step 3: Cross multiply
    5,161,174.59x = 7,742,692.73 × 2,126,851.52
  4. Step 4: Simplify right side
    5,161,174.59x = 16,467,557,752,345.73
  5. Step 5: Solve for x
    x = 16,467,557,752,345.73/5,161,174.59
  6. Step 6: Final answer
    x = 3,190,660.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.