Home / 1,566,903.72-2,148,244.80-1,538,560.20

Finding the Fourth Proportional to 1,566,903.72, 2,148,244.80 and 1,538,560.20

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Solution

The fourth proportional to 1,566,903.72, 2,148,244.80 and 1,538,560.20 is: 2,109,385.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,903.72 : 2,148,244.80 = 1,538,560.20 : x
  2. Step 2: Convert to fraction form
    1,566,903.72/2,148,244.80 = 1,538,560.20/x
  3. Step 3: Cross multiply
    1,566,903.72x = 2,148,244.80 × 1,538,560.20
  4. Step 4: Simplify right side
    1,566,903.72x = 3,305,203,949,136.96
  5. Step 5: Solve for x
    x = 3,305,203,949,136.96/1,566,903.72
  6. Step 6: Final answer
    x = 2,109,385.48

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.