Home / 1,681,900.92-2,320,668.62-1,069,831.16

Finding the Fourth Proportional to 1,681,900.92, 2,320,668.62 and 1,069,831.16

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Solution

The fourth proportional to 1,681,900.92, 2,320,668.62 and 1,069,831.16 is: 1,476,141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,900.92 : 2,320,668.62 = 1,069,831.16 : x
  2. Step 2: Convert to fraction form
    1,681,900.92/2,320,668.62 = 1,069,831.16/x
  3. Step 3: Cross multiply
    1,681,900.92x = 2,320,668.62 × 1,069,831.16
  4. Step 4: Simplify right side
    1,681,900.92x = 2,482,723,601,710.20
  5. Step 5: Solve for x
    x = 2,482,723,601,710.20/1,681,900.92
  6. Step 6: Final answer
    x = 1,476,141.41

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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.