Home / 1,928,218.28-2,660,936.64-1,057,051.44

Finding the Fourth Proportional to 1,928,218.28, 2,660,936.64 and 1,057,051.44

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Solution

The fourth proportional to 1,928,218.28, 2,660,936.64 and 1,057,051.44 is: 1,458,728.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,218.28 : 2,660,936.64 = 1,057,051.44 : x
  2. Step 2: Convert to fraction form
    1,928,218.28/2,660,936.64 = 1,057,051.44/x
  3. Step 3: Cross multiply
    1,928,218.28x = 2,660,936.64 × 1,057,051.44
  4. Step 4: Simplify right side
    1,928,218.28x = 2,812,746,907,060.76
  5. Step 5: Solve for x
    x = 2,812,746,907,060.76/1,928,218.28
  6. Step 6: Final answer
    x = 1,458,728.47

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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.