Home / 2,889,945.20-3,988,255.64-1,600,785.44

Finding the Fourth Proportional to 2,889,945.20, 3,988,255.64 and 1,600,785.44

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Solution

The fourth proportional to 2,889,945.20, 3,988,255.64 and 1,600,785.44 is: 2,209,156.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,945.20 : 3,988,255.64 = 1,600,785.44 : x
  2. Step 2: Convert to fraction form
    2,889,945.20/3,988,255.64 = 1,600,785.44/x
  3. Step 3: Cross multiply
    2,889,945.20x = 3,988,255.64 × 1,600,785.44
  4. Step 4: Simplify right side
    2,889,945.20x = 6,384,341,559,509.88
  5. Step 5: Solve for x
    x = 6,384,341,559,509.88/2,889,945.20
  6. Step 6: Final answer
    x = 2,209,156.62

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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.