Home / 3,919,261.49-5,878,912.06-1,223,360.72

Finding the Fourth Proportional to 3,919,261.49, 5,878,912.06 and 1,223,360.72

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Solution

The fourth proportional to 3,919,261.49, 5,878,912.06 and 1,223,360.72 is: 1,835,047.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,261.49 : 5,878,912.06 = 1,223,360.72 : x
  2. Step 2: Convert to fraction form
    3,919,261.49/5,878,912.06 = 1,223,360.72/x
  3. Step 3: Cross multiply
    3,919,261.49x = 5,878,912.06 × 1,223,360.72
  4. Step 4: Simplify right side
    3,919,261.49x = 7,192,030,084,718.85
  5. Step 5: Solve for x
    x = 7,192,030,084,718.85/3,919,261.49
  6. Step 6: Final answer
    x = 1,835,047.26

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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.