Home / 1,933,447.40-2,669,127.78-1,208,698.60

Finding the Fourth Proportional to 1,933,447.40, 2,669,127.78 and 1,208,698.60

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Solution

The fourth proportional to 1,933,447.40, 2,669,127.78 and 1,208,698.60 is: 1,668,610.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933,447.40 : 2,669,127.78 = 1,208,698.60 : x
  2. Step 2: Convert to fraction form
    1,933,447.40/2,669,127.78 = 1,208,698.60/x
  3. Step 3: Cross multiply
    1,933,447.40x = 2,669,127.78 × 1,208,698.60
  4. Step 4: Simplify right side
    1,933,447.40x = 3,226,171,010,907.11
  5. Step 5: Solve for x
    x = 3,226,171,010,907.11/1,933,447.40
  6. Step 6: Final answer
    x = 1,668,610.70

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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.