Home / 5,228,814.69-7,215,939.29-2,905,805.11

Finding the Fourth Proportional to 5,228,814.69, 7,215,939.29 and 2,905,805.11

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Solution

The fourth proportional to 5,228,814.69, 7,215,939.29 and 2,905,805.11 is: 4,010,108.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,814.69 : 7,215,939.29 = 2,905,805.11 : x
  2. Step 2: Convert to fraction form
    5,228,814.69/7,215,939.29 = 2,905,805.11/x
  3. Step 3: Cross multiply
    5,228,814.69x = 7,215,939.29 × 2,905,805.11
  4. Step 4: Simplify right side
    5,228,814.69x = 20,968,113,262,331.77
  5. Step 5: Solve for x
    x = 20,968,113,262,331.77/5,228,814.69
  6. Step 6: Final answer
    x = 4,010,108.31

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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.