Home / 1,816,879.91-2,725,741.53-618,812.60

Finding the Fourth Proportional to 1,816,879.91, 2,725,741.53 and 618,812.60

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Solution

The fourth proportional to 1,816,879.91, 2,725,741.53 and 618,812.60 is: 928,362.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,879.91 : 2,725,741.53 = 618,812.60 : x
  2. Step 2: Convert to fraction form
    1,816,879.91/2,725,741.53 = 618,812.60/x
  3. Step 3: Cross multiply
    1,816,879.91x = 2,725,741.53 × 618,812.60
  4. Step 4: Simplify right side
    1,816,879.91x = 1,686,723,203,107.28
  5. Step 5: Solve for x
    x = 1,686,723,203,107.28/1,816,879.91
  6. Step 6: Final answer
    x = 928,362.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.