Home / 1,905,405.58-2,629,361.28-1,131,068.80

Finding the Fourth Proportional to 1,905,405.58, 2,629,361.28 and 1,131,068.80

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Solution

The fourth proportional to 1,905,405.58, 2,629,361.28 and 1,131,068.80 is: 1,560,816.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,405.58 : 2,629,361.28 = 1,131,068.80 : x
  2. Step 2: Convert to fraction form
    1,905,405.58/2,629,361.28 = 1,131,068.80/x
  3. Step 3: Cross multiply
    1,905,405.58x = 2,629,361.28 × 1,131,068.80
  4. Step 4: Simplify right side
    1,905,405.58x = 2,973,988,507,736.06
  5. Step 5: Solve for x
    x = 2,973,988,507,736.06/1,905,405.58
  6. Step 6: Final answer
    x = 1,560,816.52

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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.