Home / 5,315,666.52-7,335,239.34-2,992,438.98

Finding the Fourth Proportional to 5,315,666.52, 7,335,239.34 and 2,992,438.98

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Solution

The fourth proportional to 5,315,666.52, 7,335,239.34 and 2,992,438.98 is: 4,129,351.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,666.52 : 7,335,239.34 = 2,992,438.98 : x
  2. Step 2: Convert to fraction form
    5,315,666.52/7,335,239.34 = 2,992,438.98/x
  3. Step 3: Cross multiply
    5,315,666.52x = 7,335,239.34 × 2,992,438.98
  4. Step 4: Simplify right side
    5,315,666.52x = 21,950,256,128,645.47
  5. Step 5: Solve for x
    x = 21,950,256,128,645.47/5,315,666.52
  6. Step 6: Final answer
    x = 4,129,351.61

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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.