Home / 2,107,109.19-2,907,818.34-1,140,239.38

Finding the Fourth Proportional to 2,107,109.19, 2,907,818.34 and 1,140,239.38

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Solution

The fourth proportional to 2,107,109.19, 2,907,818.34 and 1,140,239.38 is: 1,573,534.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,109.19 : 2,907,818.34 = 1,140,239.38 : x
  2. Step 2: Convert to fraction form
    2,107,109.19/2,907,818.34 = 1,140,239.38/x
  3. Step 3: Cross multiply
    2,107,109.19x = 2,907,818.34 × 1,140,239.38
  4. Step 4: Simplify right side
    2,107,109.19x = 3,315,608,981,474.79
  5. Step 5: Solve for x
    x = 3,315,608,981,474.79/2,107,109.19
  6. Step 6: Final answer
    x = 1,573,534.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.