Home / 5,349,978.90-7,382,970.21-3,058,188.66

Finding the Fourth Proportional to 5,349,978.90, 7,382,970.21 and 3,058,188.66

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Solution

The fourth proportional to 5,349,978.90, 7,382,970.21 and 3,058,188.66 is: 4,220,299.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349,978.90 : 7,382,970.21 = 3,058,188.66 : x
  2. Step 2: Convert to fraction form
    5,349,978.90/7,382,970.21 = 3,058,188.66/x
  3. Step 3: Cross multiply
    5,349,978.90x = 7,382,970.21 × 3,058,188.66
  4. Step 4: Simplify right side
    5,349,978.90x = 22,578,515,773,339.82
  5. Step 5: Solve for x
    x = 22,578,515,773,339.82/5,349,978.90
  6. Step 6: Final answer
    x = 4,220,299.97

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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.