Home / 1,928,337.69-2,661,048.40-1,057,142.60

Finding the Fourth Proportional to 1,928,337.69, 2,661,048.40 and 1,057,142.60

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Solution

The fourth proportional to 1,928,337.69, 2,661,048.40 and 1,057,142.60 is: 1,458,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,337.69 : 2,661,048.40 = 1,057,142.60 : x
  2. Step 2: Convert to fraction form
    1,928,337.69/2,661,048.40 = 1,057,142.60/x
  3. Step 3: Cross multiply
    1,928,337.69x = 2,661,048.40 × 1,057,142.60
  4. Step 4: Simplify right side
    1,928,337.69x = 2,813,107,624,301.84
  5. Step 5: Solve for x
    x = 2,813,107,624,301.84/1,928,337.69
  6. Step 6: Final answer
    x = 1,458,825.20

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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.