Home / 1,729,571.40-2,600,577.90-1,455,856.20

Finding the Fourth Proportional to 1,729,571.40, 2,600,577.90 and 1,455,856.20

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Solution

The fourth proportional to 1,729,571.40, 2,600,577.90 and 1,455,856.20 is: 2,189,020.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729,571.40 : 2,600,577.90 = 1,455,856.20 : x
  2. Step 2: Convert to fraction form
    1,729,571.40/2,600,577.90 = 1,455,856.20/x
  3. Step 3: Cross multiply
    1,729,571.40x = 2,600,577.90 × 1,455,856.20
  4. Step 4: Simplify right side
    1,729,571.40x = 3,786,067,459,297.98
  5. Step 5: Solve for x
    x = 3,786,067,459,297.98/1,729,571.40
  6. Step 6: Final answer
    x = 2,189,020.62

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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.