Home / 1,969,009.52-2,952,831.13-689,588.75

Finding the Fourth Proportional to 1,969,009.52, 2,952,831.13 and 689,588.75

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Solution

The fourth proportional to 1,969,009.52, 2,952,831.13 and 689,588.75 is: 1,034,143.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,009.52 : 2,952,831.13 = 689,588.75 : x
  2. Step 2: Convert to fraction form
    1,969,009.52/2,952,831.13 = 689,588.75/x
  3. Step 3: Cross multiply
    1,969,009.52x = 2,952,831.13 × 689,588.75
  4. Step 4: Simplify right side
    1,969,009.52x = 2,036,239,133,555.89
  5. Step 5: Solve for x
    x = 2,036,239,133,555.89/1,969,009.52
  6. Step 6: Final answer
    x = 1,034,143.88

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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.