Home / 3,320,683.05-4,582,568.20-1,870,242.78

Finding the Fourth Proportional to 3,320,683.05, 4,582,568.20 and 1,870,242.78

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Solution

The fourth proportional to 3,320,683.05, 4,582,568.20 and 1,870,242.78 is: 2,580,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320,683.05 : 4,582,568.20 = 1,870,242.78 : x
  2. Step 2: Convert to fraction form
    3,320,683.05/4,582,568.20 = 1,870,242.78/x
  3. Step 3: Cross multiply
    3,320,683.05x = 4,582,568.20 × 1,870,242.78
  4. Step 4: Simplify right side
    3,320,683.05x = 8,570,515,101,364.02
  5. Step 5: Solve for x
    x = 8,570,515,101,364.02/3,320,683.05
  6. Step 6: Final answer
    x = 2,580,949.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.