Home / 2,172,556.20-3,260,000.70-910,511.40

Finding the Fourth Proportional to 2,172,556.20, 3,260,000.70 and 910,511.40

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Solution

The fourth proportional to 2,172,556.20, 3,260,000.70 and 910,511.40 is: 1,366,255.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,556.20 : 3,260,000.70 = 910,511.40 : x
  2. Step 2: Convert to fraction form
    2,172,556.20/3,260,000.70 = 910,511.40/x
  3. Step 3: Cross multiply
    2,172,556.20x = 3,260,000.70 × 910,511.40
  4. Step 4: Simplify right side
    2,172,556.20x = 2,968,267,801,357.98
  5. Step 5: Solve for x
    x = 2,968,267,801,357.98/2,172,556.20
  6. Step 6: Final answer
    x = 1,366,255.93

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1.5x scale

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.