Home / 2,783,169.60-4,174,754.40-889,972.80

Finding the Fourth Proportional to 2,783,169.60, 4,174,754.40 and 889,972.80

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Solution

The fourth proportional to 2,783,169.60, 4,174,754.40 and 889,972.80 is: 1,334,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,169.60 : 4,174,754.40 = 889,972.80 : x
  2. Step 2: Convert to fraction form
    2,783,169.60/4,174,754.40 = 889,972.80/x
  3. Step 3: Cross multiply
    2,783,169.60x = 4,174,754.40 × 889,972.80
  4. Step 4: Simplify right side
    2,783,169.60x = 3,715,417,862,680.32
  5. Step 5: Solve for x
    x = 3,715,417,862,680.32/2,783,169.60
  6. Step 6: Final answer
    x = 1,334,959.20

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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.