Home / 2,782,900.80-4,174,351.20-889,833.60

Finding the Fourth Proportional to 2,782,900.80, 4,174,351.20 and 889,833.60

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Solution

The fourth proportional to 2,782,900.80, 4,174,351.20 and 889,833.60 is: 1,334,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,900.80 : 4,174,351.20 = 889,833.60 : x
  2. Step 2: Convert to fraction form
    2,782,900.80/4,174,351.20 = 889,833.60/x
  3. Step 3: Cross multiply
    2,782,900.80x = 4,174,351.20 × 889,833.60
  4. Step 4: Simplify right side
    2,782,900.80x = 3,714,477,955,960.32
  5. Step 5: Solve for x
    x = 3,714,477,955,960.32/2,782,900.80
  6. Step 6: Final answer
    x = 1,334,750.40

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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.