Home / 5,319,729.88-7,980,715.65-1,725,216.54

Finding the Fourth Proportional to 5,319,729.88, 7,980,715.65 and 1,725,216.54

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Solution

The fourth proportional to 5,319,729.88, 7,980,715.65 and 1,725,216.54 is: 2,588,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319,729.88 : 7,980,715.65 = 1,725,216.54 : x
  2. Step 2: Convert to fraction form
    5,319,729.88/7,980,715.65 = 1,725,216.54/x
  3. Step 3: Cross multiply
    5,319,729.88x = 7,980,715.65 × 1,725,216.54
  4. Step 4: Simplify right side
    5,319,729.88x = 13,768,462,616,958.73
  5. Step 5: Solve for x
    x = 13,768,462,616,958.73/5,319,729.88
  6. Step 6: Final answer
    x = 2,588,188.30

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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.