Home / 2,131,600.70-3,196,234.65-868,000.70

Finding the Fourth Proportional to 2,131,600.70, 3,196,234.65 and 868,000.70

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Solution

The fourth proportional to 2,131,600.70, 3,196,234.65 and 868,000.70 is: 1,301,526.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,600.70 : 3,196,234.65 = 868,000.70 : x
  2. Step 2: Convert to fraction form
    2,131,600.70/3,196,234.65 = 868,000.70/x
  3. Step 3: Cross multiply
    2,131,600.70x = 3,196,234.65 × 868,000.70
  4. Step 4: Simplify right side
    2,131,600.70x = 2,774,333,913,564.26
  5. Step 5: Solve for x
    x = 2,774,333,913,564.26/2,131,600.70
  6. Step 6: Final answer
    x = 1,301,526.08

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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.