Home / 2,130,790.38-2,940,490.61-1,150,729.32

Finding the Fourth Proportional to 2,130,790.38, 2,940,490.61 and 1,150,729.32

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Solution

The fourth proportional to 2,130,790.38, 2,940,490.61 and 1,150,729.32 is: 1,588,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,790.38 : 2,940,490.61 = 1,150,729.32 : x
  2. Step 2: Convert to fraction form
    2,130,790.38/2,940,490.61 = 1,150,729.32/x
  3. Step 3: Cross multiply
    2,130,790.38x = 2,940,490.61 × 1,150,729.32
  4. Step 4: Simplify right side
    2,130,790.38x = 3,383,708,753,159.85
  5. Step 5: Solve for x
    x = 3,383,708,753,159.85/2,130,790.38
  6. Step 6: Final answer
    x = 1,588,006.40

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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.