Home / 1,983,170-2,743,980.36-1,729,050.32

Finding the Fourth Proportional to 1,983,170, 2,743,980.36 and 1,729,050.32

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Solution

The fourth proportional to 1,983,170, 2,743,980.36 and 1,729,050.32 is: 2,392,371.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,170 : 2,743,980.36 = 1,729,050.32 : x
  2. Step 2: Convert to fraction form
    1,983,170/2,743,980.36 = 1,729,050.32/x
  3. Step 3: Cross multiply
    1,983,170x = 2,743,980.36 × 1,729,050.32
  4. Step 4: Simplify right side
    1,983,170x = 4,744,480,119,531.72
  5. Step 5: Solve for x
    x = 4,744,480,119,531.72/1,983,170
  6. Step 6: Final answer
    x = 2,392,371.87

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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.