Home / 5,285,323.74-7,929,164.77-1,691,306.36

Finding the Fourth Proportional to 5,285,323.74, 7,929,164.77 and 1,691,306.36

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Solution

The fourth proportional to 5,285,323.74, 7,929,164.77 and 1,691,306.36 is: 2,537,336.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285,323.74 : 7,929,164.77 = 1,691,306.36 : x
  2. Step 2: Convert to fraction form
    5,285,323.74/7,929,164.77 = 1,691,306.36/x
  3. Step 3: Cross multiply
    5,285,323.74x = 7,929,164.77 × 1,691,306.36
  4. Step 4: Simplify right side
    5,285,323.74x = 13,410,646,800,362.81
  5. Step 5: Solve for x
    x = 13,410,646,800,362.81/5,285,323.74
  6. Step 6: Final answer
    x = 2,537,336.87

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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.