Home / 3,411,921.74-5,117,784.08-1,389,665.61

Finding the Fourth Proportional to 3,411,921.74, 5,117,784.08 and 1,389,665.61

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Solution

The fourth proportional to 3,411,921.74, 5,117,784.08 and 1,389,665.61 is: 2,084,458.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411,921.74 : 5,117,784.08 = 1,389,665.61 : x
  2. Step 2: Convert to fraction form
    3,411,921.74/5,117,784.08 = 1,389,665.61/x
  3. Step 3: Cross multiply
    3,411,921.74x = 5,117,784.08 × 1,389,665.61
  4. Step 4: Simplify right side
    3,411,921.74x = 7,112,008,528,433.16
  5. Step 5: Solve for x
    x = 7,112,008,528,433.16/3,411,921.74
  6. Step 6: Final answer
    x = 2,084,458.29

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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.