Home / 2,907,991.62-4,362,045.75-778,072.32

Finding the Fourth Proportional to 2,907,991.62, 4,362,045.75 and 778,072.32

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Solution

The fourth proportional to 2,907,991.62, 4,362,045.75 and 778,072.32 is: 1,167,124.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,991.62 : 4,362,045.75 = 778,072.32 : x
  2. Step 2: Convert to fraction form
    2,907,991.62/4,362,045.75 = 778,072.32/x
  3. Step 3: Cross multiply
    2,907,991.62x = 4,362,045.75 × 778,072.32
  4. Step 4: Simplify right side
    2,907,991.62x = 3,393,987,056,648.64
  5. Step 5: Solve for x
    x = 3,393,987,056,648.64/2,907,991.62
  6. Step 6: Final answer
    x = 1,167,124.08

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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.