Home / 5,139,968-7,093,311.36-2,847,914.24

Finding the Fourth Proportional to 5,139,968, 7,093,311.36 and 2,847,914.24

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Solution

The fourth proportional to 5,139,968, 7,093,311.36 and 2,847,914.24 is: 3,930,207.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139,968 : 7,093,311.36 = 2,847,914.24 : x
  2. Step 2: Convert to fraction form
    5,139,968/7,093,311.36 = 2,847,914.24/x
  3. Step 3: Cross multiply
    5,139,968x = 7,093,311.36 × 2,847,914.24
  4. Step 4: Simplify right side
    5,139,968x = 20,201,142,430,897.77
  5. Step 5: Solve for x
    x = 20,201,142,430,897.77/5,139,968
  6. Step 6: Final answer
    x = 3,930,207.82

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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.