Home / 1,447,673.80-2,171,510.70-1,088,422.60

Finding the Fourth Proportional to 1,447,673.80, 2,171,510.70 and 1,088,422.60

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Solution

The fourth proportional to 1,447,673.80, 2,171,510.70 and 1,088,422.60 is: 1,632,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,673.80 : 2,171,510.70 = 1,088,422.60 : x
  2. Step 2: Convert to fraction form
    1,447,673.80/2,171,510.70 = 1,088,422.60/x
  3. Step 3: Cross multiply
    1,447,673.80x = 2,171,510.70 × 1,088,422.60
  4. Step 4: Simplify right side
    1,447,673.80x = 2,363,521,322,021.82
  5. Step 5: Solve for x
    x = 2,363,521,322,021.82/1,447,673.80
  6. Step 6: Final answer
    x = 1,632,633.90

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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.