Home / 2,889,897.55-3,988,189.91-1,600,737.80

Finding the Fourth Proportional to 2,889,897.55, 3,988,189.91 and 1,600,737.80

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Solution

The fourth proportional to 2,889,897.55, 3,988,189.91 and 1,600,737.80 is: 2,209,090.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,897.55 : 3,988,189.91 = 1,600,737.80 : x
  2. Step 2: Convert to fraction form
    2,889,897.55/3,988,189.91 = 1,600,737.80/x
  3. Step 3: Cross multiply
    2,889,897.55x = 3,988,189.91 × 1,600,737.80
  4. Step 4: Simplify right side
    2,889,897.55x = 6,384,046,326,576.49
  5. Step 5: Solve for x
    x = 6,384,046,326,576.49/2,889,897.55
  6. Step 6: Final answer
    x = 2,209,090.88

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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.