Home / 4,207,980-5,807,012.40-2,397,144

Finding the Fourth Proportional to 4,207,980, 5,807,012.40 and 2,397,144

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Solution

The fourth proportional to 4,207,980, 5,807,012.40 and 2,397,144 is: 3,308,058.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207,980 : 5,807,012.40 = 2,397,144 : x
  2. Step 2: Convert to fraction form
    4,207,980/5,807,012.40 = 2,397,144/x
  3. Step 3: Cross multiply
    4,207,980x = 5,807,012.40 × 2,397,144
  4. Step 4: Simplify right side
    4,207,980x = 13,920,244,932,585.60
  5. Step 5: Solve for x
    x = 13,920,244,932,585.60/4,207,980
  6. Step 6: Final answer
    x = 3,308,058.72

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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.