Home / 2,778,608.38-4,168,309.68-859,683.47

Finding the Fourth Proportional to 2,778,608.38, 4,168,309.68 and 859,683.47

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Solution

The fourth proportional to 2,778,608.38, 4,168,309.68 and 859,683.47 is: 1,289,648.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,608.38 : 4,168,309.68 = 859,683.47 : x
  2. Step 2: Convert to fraction form
    2,778,608.38/4,168,309.68 = 859,683.47/x
  3. Step 3: Cross multiply
    2,778,608.38x = 4,168,309.68 × 859,683.47
  4. Step 4: Simplify right side
    2,778,608.38x = 3,583,426,929,736.99
  5. Step 5: Solve for x
    x = 3,583,426,929,736.99/2,778,608.38
  6. Step 6: Final answer
    x = 1,289,648.07

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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.