Home / 1,906,867.97-2,630,378.47-1,142,478.66

Finding the Fourth Proportional to 1,906,867.97, 2,630,378.47 and 1,142,478.66

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Solution

The fourth proportional to 1,906,867.97, 2,630,378.47 and 1,142,478.66 is: 1,575,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,867.97 : 2,630,378.47 = 1,142,478.66 : x
  2. Step 2: Convert to fraction form
    1,906,867.97/2,630,378.47 = 1,142,478.66/x
  3. Step 3: Cross multiply
    1,906,867.97x = 2,630,378.47 × 1,142,478.66
  4. Step 4: Simplify right side
    1,906,867.97x = 3,005,151,269,698.45
  5. Step 5: Solve for x
    x = 3,005,151,269,698.45/1,906,867.97
  6. Step 6: Final answer
    x = 1,575,961.90

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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.