Home / 3,987,295.72-5,980,654.40-1,557,992.32

Finding the Fourth Proportional to 3,987,295.72, 5,980,654.40 and 1,557,992.32

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Solution

The fourth proportional to 3,987,295.72, 5,980,654.40 and 1,557,992.32 is: 2,336,875.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,295.72 : 5,980,654.40 = 1,557,992.32 : x
  2. Step 2: Convert to fraction form
    3,987,295.72/5,980,654.40 = 1,557,992.32/x
  3. Step 3: Cross multiply
    3,987,295.72x = 5,980,654.40 × 1,557,992.32
  4. Step 4: Simplify right side
    3,987,295.72x = 9,317,813,623,774.21
  5. Step 5: Solve for x
    x = 9,317,813,623,774.21/3,987,295.72
  6. Step 6: Final answer
    x = 2,336,875.49

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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.