Home / 1,981,732-2,734,698.64-1,122,298.41

Finding the Fourth Proportional to 1,981,732, 2,734,698.64 and 1,122,298.41

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Solution

The fourth proportional to 1,981,732, 2,734,698.64 and 1,122,298.41 is: 1,548,719.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,732 : 2,734,698.64 = 1,122,298.41 : x
  2. Step 2: Convert to fraction form
    1,981,732/2,734,698.64 = 1,122,298.41/x
  3. Step 3: Cross multiply
    1,981,732x = 2,734,698.64 × 1,122,298.41
  4. Step 4: Simplify right side
    1,981,732x = 3,069,147,935,501.16
  5. Step 5: Solve for x
    x = 3,069,147,935,501.16/1,981,732
  6. Step 6: Final answer
    x = 1,548,719.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.