Home / 1,928,340.51-2,661,052.28-1,057,145.41

Finding the Fourth Proportional to 1,928,340.51, 2,661,052.28 and 1,057,145.41

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Solution

The fourth proportional to 1,928,340.51, 2,661,052.28 and 1,057,145.41 is: 1,458,829.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,340.51 : 2,661,052.28 = 1,057,145.41 : x
  2. Step 2: Convert to fraction form
    1,928,340.51/2,661,052.28 = 1,057,145.41/x
  3. Step 3: Cross multiply
    1,928,340.51x = 2,661,052.28 × 1,057,145.41
  4. Step 4: Simplify right side
    1,928,340.51x = 2,813,119,203,572.03
  5. Step 5: Solve for x
    x = 2,813,119,203,572.03/1,928,340.51
  6. Step 6: Final answer
    x = 1,458,829.08

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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.