Home / 5,554,409.76-8,334,761.76-2,190,978.72

Finding the Fourth Proportional to 5,554,409.76, 8,334,761.76 and 2,190,978.72

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Solution

The fourth proportional to 5,554,409.76, 8,334,761.76 and 2,190,978.72 is: 3,287,709.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554,409.76 : 8,334,761.76 = 2,190,978.72 : x
  2. Step 2: Convert to fraction form
    5,554,409.76/8,334,761.76 = 2,190,978.72/x
  3. Step 3: Cross multiply
    5,554,409.76x = 8,334,761.76 × 2,190,978.72
  4. Step 4: Simplify right side
    5,554,409.76x = 18,261,285,652,429.75
  5. Step 5: Solve for x
    x = 18,261,285,652,429.75/5,554,409.76
  6. Step 6: Final answer
    x = 3,287,709.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.