Home / 1,981,646.64-2,734,686.36-1,076,228.64

Finding the Fourth Proportional to 1,981,646.64, 2,734,686.36 and 1,076,228.64

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Solution

The fourth proportional to 1,981,646.64, 2,734,686.36 and 1,076,228.64 is: 1,485,203.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,646.64 : 2,734,686.36 = 1,076,228.64 : x
  2. Step 2: Convert to fraction form
    1,981,646.64/2,734,686.36 = 1,076,228.64/x
  3. Step 3: Cross multiply
    1,981,646.64x = 2,734,686.36 × 1,076,228.64
  4. Step 4: Simplify right side
    1,981,646.64x = 2,943,147,782,049.35
  5. Step 5: Solve for x
    x = 2,943,147,782,049.35/1,981,646.64
  6. Step 6: Final answer
    x = 1,485,203.12

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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.