Home / 1,722,444.24-2,376,937.76-1,078,219.65

Finding the Fourth Proportional to 1,722,444.24, 2,376,937.76 and 1,078,219.65

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Solution

The fourth proportional to 1,722,444.24, 2,376,937.76 and 1,078,219.65 is: 1,487,921.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722,444.24 : 2,376,937.76 = 1,078,219.65 : x
  2. Step 2: Convert to fraction form
    1,722,444.24/2,376,937.76 = 1,078,219.65/x
  3. Step 3: Cross multiply
    1,722,444.24x = 2,376,937.76 × 1,078,219.65
  4. Step 4: Simplify right side
    1,722,444.24x = 2,562,861,009,246.39
  5. Step 5: Solve for x
    x = 2,562,861,009,246.39/1,722,444.24
  6. Step 6: Final answer
    x = 1,487,921.03

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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.