Home / 2,130,564.82-3,196,296.06-691,135.83

Finding the Fourth Proportional to 2,130,564.82, 3,196,296.06 and 691,135.83

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Solution

The fourth proportional to 2,130,564.82, 3,196,296.06 and 691,135.83 is: 1,036,849.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,564.82 : 3,196,296.06 = 691,135.83 : x
  2. Step 2: Convert to fraction form
    2,130,564.82/3,196,296.06 = 691,135.83/x
  3. Step 3: Cross multiply
    2,130,564.82x = 3,196,296.06 × 691,135.83
  4. Step 4: Simplify right side
    2,130,564.82x = 2,209,074,726,830.98
  5. Step 5: Solve for x
    x = 2,209,074,726,830.98/2,130,564.82
  6. Step 6: Final answer
    x = 1,036,849.34

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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.