Home / 5,310,056.40-7,965,032.76-1,523,559.12

Finding the Fourth Proportional to 5,310,056.40, 7,965,032.76 and 1,523,559.12

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Solution

The fourth proportional to 5,310,056.40, 7,965,032.76 and 1,523,559.12 is: 2,285,323.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310,056.40 : 7,965,032.76 = 1,523,559.12 : x
  2. Step 2: Convert to fraction form
    5,310,056.40/7,965,032.76 = 1,523,559.12/x
  3. Step 3: Cross multiply
    5,310,056.40x = 7,965,032.76 × 1,523,559.12
  4. Step 4: Simplify right side
    5,310,056.40x = 12,135,198,302,596.77
  5. Step 5: Solve for x
    x = 12,135,198,302,596.77/5,310,056.40
  6. Step 6: Final answer
    x = 2,285,323.81

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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.