Home / 2,889,915.42-3,988,115.19-1,600,775.58

Finding the Fourth Proportional to 2,889,915.42, 3,988,115.19 and 1,600,775.58

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Solution

The fourth proportional to 2,889,915.42, 3,988,115.19 and 1,600,775.58 is: 2,209,087.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,915.42 : 3,988,115.19 = 1,600,775.58 : x
  2. Step 2: Convert to fraction form
    2,889,915.42/3,988,115.19 = 1,600,775.58/x
  3. Step 3: Cross multiply
    2,889,915.42x = 3,988,115.19 × 1,600,775.58
  4. Step 4: Simplify right side
    2,889,915.42x = 6,384,077,406,379.06
  5. Step 5: Solve for x
    x = 6,384,077,406,379.06/2,889,915.42
  6. Step 6: Final answer
    x = 2,209,087.98

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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.