Home / 1,964,986.54-2,947,479.62-545,042.68

Finding the Fourth Proportional to 1,964,986.54, 2,947,479.62 and 545,042.68

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Solution

The fourth proportional to 1,964,986.54, 2,947,479.62 and 545,042.68 is: 817,563.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,986.54 : 2,947,479.62 = 545,042.68 : x
  2. Step 2: Convert to fraction form
    1,964,986.54/2,947,479.62 = 545,042.68/x
  3. Step 3: Cross multiply
    1,964,986.54x = 2,947,479.62 × 545,042.68
  4. Step 4: Simplify right side
    1,964,986.54x = 1,606,502,191,330.18
  5. Step 5: Solve for x
    x = 1,606,502,191,330.18/1,964,986.54
  6. Step 6: Final answer
    x = 817,563.97

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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.