Home / 3,987,297.72-5,980,657.40-1,557,994.32

Finding the Fourth Proportional to 3,987,297.72, 5,980,657.40 and 1,557,994.32

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Solution

The fourth proportional to 3,987,297.72, 5,980,657.40 and 1,557,994.32 is: 2,336,878.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,297.72 : 5,980,657.40 = 1,557,994.32 : x
  2. Step 2: Convert to fraction form
    3,987,297.72/5,980,657.40 = 1,557,994.32/x
  3. Step 3: Cross multiply
    3,987,297.72x = 5,980,657.40 × 1,557,994.32
  4. Step 4: Simplify right side
    3,987,297.72x = 9,317,830,259,065.97
  5. Step 5: Solve for x
    x = 9,317,830,259,065.97/3,987,297.72
  6. Step 6: Final answer
    x = 2,336,878.49

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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.