Home / 2,130,573.38-3,196,308.91-691,144.39

Finding the Fourth Proportional to 2,130,573.38, 3,196,308.91 and 691,144.39

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Solution

The fourth proportional to 2,130,573.38, 3,196,308.91 and 691,144.39 is: 1,036,862.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,573.38 : 3,196,308.91 = 691,144.39 : x
  2. Step 2: Convert to fraction form
    2,130,573.38/3,196,308.91 = 691,144.39/x
  3. Step 3: Cross multiply
    2,130,573.38x = 3,196,308.91 × 691,144.39
  4. Step 4: Simplify right side
    2,130,573.38x = 2,209,110,952,416.25
  5. Step 5: Solve for x
    x = 2,209,110,952,416.25/2,130,573.38
  6. Step 6: Final answer
    x = 1,036,862.18

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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.