Home / 6,521,054.40-9,782,013.60-1,728,676.80

Finding the Fourth Proportional to 6,521,054.40, 9,782,013.60 and 1,728,676.80

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Solution

The fourth proportional to 6,521,054.40, 9,782,013.60 and 1,728,676.80 is: 2,593,129.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521,054.40 : 9,782,013.60 = 1,728,676.80 : x
  2. Step 2: Convert to fraction form
    6,521,054.40/9,782,013.60 = 1,728,676.80/x
  3. Step 3: Cross multiply
    6,521,054.40x = 9,782,013.60 × 1,728,676.80
  4. Step 4: Simplify right side
    6,521,054.40x = 16,909,939,967,604.48
  5. Step 5: Solve for x
    x = 16,909,939,967,604.48/6,521,054.40
  6. Step 6: Final answer
    x = 2,593,129.72

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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.