Home / 1,619,981.92-2,235,697.32-931,864.24

Finding the Fourth Proportional to 1,619,981.92, 2,235,697.32 and 931,864.24

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Solution

The fourth proportional to 1,619,981.92, 2,235,697.32 and 931,864.24 is: 1,286,042.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,981.92 : 2,235,697.32 = 931,864.24 : x
  2. Step 2: Convert to fraction form
    1,619,981.92/2,235,697.32 = 931,864.24/x
  3. Step 3: Cross multiply
    1,619,981.92x = 2,235,697.32 × 931,864.24
  4. Step 4: Simplify right side
    1,619,981.92x = 2,083,366,383,971.84
  5. Step 5: Solve for x
    x = 2,083,366,383,971.84/1,619,981.92
  6. Step 6: Final answer
    x = 1,286,042.98

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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.