Home / 3,090,076.08-4,265,706.42-1,989,096.54

Finding the Fourth Proportional to 3,090,076.08, 4,265,706.42 and 1,989,096.54

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Solution

The fourth proportional to 3,090,076.08, 4,265,706.42 and 1,989,096.54 is: 2,745,855.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090,076.08 : 4,265,706.42 = 1,989,096.54 : x
  2. Step 2: Convert to fraction form
    3,090,076.08/4,265,706.42 = 1,989,096.54/x
  3. Step 3: Cross multiply
    3,090,076.08x = 4,265,706.42 × 1,989,096.54
  4. Step 4: Simplify right side
    3,090,076.08x = 8,484,901,880,677.79
  5. Step 5: Solve for x
    x = 8,484,901,880,677.79/3,090,076.08
  6. Step 6: Final answer
    x = 2,745,855.33

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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.