Home / 5,349,978.40-7,382,969.52-3,058,188.16

Finding the Fourth Proportional to 5,349,978.40, 7,382,969.52 and 3,058,188.16

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Solution

The fourth proportional to 5,349,978.40, 7,382,969.52 and 3,058,188.16 is: 4,220,299.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349,978.40 : 7,382,969.52 = 3,058,188.16 : x
  2. Step 2: Convert to fraction form
    5,349,978.40/7,382,969.52 = 3,058,188.16/x
  3. Step 3: Cross multiply
    5,349,978.40x = 7,382,969.52 × 3,058,188.16
  4. Step 4: Simplify right side
    5,349,978.40x = 22,578,509,971,704.88
  5. Step 5: Solve for x
    x = 22,578,509,971,704.88/5,349,978.40
  6. Step 6: Final answer
    x = 4,220,299.28

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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.