Home / 5,128,842.26-7,040,739.24-4,402,428.86

Finding the Fourth Proportional to 5,128,842.26, 7,040,739.24 and 4,402,428.86

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Solution

The fourth proportional to 5,128,842.26, 7,040,739.24 and 4,402,428.86 is: 6,043,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,842.26 : 7,040,739.24 = 4,402,428.86 : x
  2. Step 2: Convert to fraction form
    5,128,842.26/7,040,739.24 = 4,402,428.86/x
  3. Step 3: Cross multiply
    5,128,842.26x = 7,040,739.24 × 4,402,428.86
  4. Step 4: Simplify right side
    5,128,842.26x = 30,996,353,590,706.77
  5. Step 5: Solve for x
    x = 30,996,353,590,706.77/5,128,842.26
  6. Step 6: Final answer
    x = 6,043,538.10

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.