Home / 1,772,862.88-2,658,361.20-1,212,057.76

Finding the Fourth Proportional to 1,772,862.88, 2,658,361.20 and 1,212,057.76

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Solution

The fourth proportional to 1,772,862.88, 2,658,361.20 and 1,212,057.76 is: 1,817,448.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,862.88 : 2,658,361.20 = 1,212,057.76 : x
  2. Step 2: Convert to fraction form
    1,772,862.88/2,658,361.20 = 1,212,057.76/x
  3. Step 3: Cross multiply
    1,772,862.88x = 2,658,361.20 × 1,212,057.76
  4. Step 4: Simplify right side
    1,772,862.88x = 3,222,087,321,342.91
  5. Step 5: Solve for x
    x = 3,222,087,321,342.91/1,772,862.88
  6. Step 6: Final answer
    x = 1,817,448.69

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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.