Home / 3,685,220.16-5,528,329.20-1,288,501.44

Finding the Fourth Proportional to 3,685,220.16, 5,528,329.20 and 1,288,501.44

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Solution

The fourth proportional to 3,685,220.16, 5,528,329.20 and 1,288,501.44 is: 1,932,926.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685,220.16 : 5,528,329.20 = 1,288,501.44 : x
  2. Step 2: Convert to fraction form
    3,685,220.16/5,528,329.20 = 1,288,501.44/x
  3. Step 3: Cross multiply
    3,685,220.16x = 5,528,329.20 × 1,288,501.44
  4. Step 4: Simplify right side
    3,685,220.16x = 7,123,260,134,994.05
  5. Step 5: Solve for x
    x = 7,123,260,134,994.05/3,685,220.16
  6. Step 6: Final answer
    x = 1,932,926.62

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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.