Home / 2,819,365.36-3,890,727.84-1,530,205.60

Finding the Fourth Proportional to 2,819,365.36, 3,890,727.84 and 1,530,205.60

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Solution

The fourth proportional to 2,819,365.36, 3,890,727.84 and 1,530,205.60 is: 2,111,685.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,365.36 : 3,890,727.84 = 1,530,205.60 : x
  2. Step 2: Convert to fraction form
    2,819,365.36/3,890,727.84 = 1,530,205.60/x
  3. Step 3: Cross multiply
    2,819,365.36x = 3,890,727.84 × 1,530,205.60
  4. Step 4: Simplify right side
    2,819,365.36x = 5,953,613,528,843.90
  5. Step 5: Solve for x
    x = 5,953,613,528,843.90/2,819,365.36
  6. Step 6: Final answer
    x = 2,111,685.71

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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.