Home / 1,940,905.09-2,911,897.74-846,785.65

Finding the Fourth Proportional to 1,940,905.09, 2,911,897.74 and 846,785.65

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Solution

The fourth proportional to 1,940,905.09, 2,911,897.74 and 846,785.65 is: 1,270,414.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,905.09 : 2,911,897.74 = 846,785.65 : x
  2. Step 2: Convert to fraction form
    1,940,905.09/2,911,897.74 = 846,785.65/x
  3. Step 3: Cross multiply
    1,940,905.09x = 2,911,897.74 × 846,785.65
  4. Step 4: Simplify right side
    1,940,905.09x = 2,465,753,220,499.43
  5. Step 5: Solve for x
    x = 2,465,753,220,499.43/1,940,905.09
  6. Step 6: Final answer
    x = 1,270,414.11

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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.