Home / 2,889,891.59-3,988,050.66-1,600,815.47

Finding the Fourth Proportional to 2,889,891.59, 3,988,050.66 and 1,600,815.47

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Solution

The fourth proportional to 2,889,891.59, 3,988,050.66 and 1,600,815.47 is: 2,209,125.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,891.59 : 3,988,050.66 = 1,600,815.47 : x
  2. Step 2: Convert to fraction form
    2,889,891.59/3,988,050.66 = 1,600,815.47/x
  3. Step 3: Cross multiply
    2,889,891.59x = 3,988,050.66 × 1,600,815.47
  4. Step 4: Simplify right side
    2,889,891.59x = 6,384,133,171,731.46
  5. Step 5: Solve for x
    x = 6,384,133,171,731.46/2,889,891.59
  6. Step 6: Final answer
    x = 2,209,125.49

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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.