Home / 3,818,853.88-5,727,474.03-1,122,445.69

Finding the Fourth Proportional to 3,818,853.88, 5,727,474.03 and 1,122,445.69

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Solution

The fourth proportional to 3,818,853.88, 5,727,474.03 and 1,122,445.69 is: 1,683,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,853.88 : 5,727,474.03 = 1,122,445.69 : x
  2. Step 2: Convert to fraction form
    3,818,853.88/5,727,474.03 = 1,122,445.69/x
  3. Step 3: Cross multiply
    3,818,853.88x = 5,727,474.03 × 1,122,445.69
  4. Step 4: Simplify right side
    3,818,853.88x = 6,428,778,521,032.57
  5. Step 5: Solve for x
    x = 6,428,778,521,032.57/3,818,853.88
  6. Step 6: Final answer
    x = 1,683,431.40

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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.