Home / 2,868,776.98-3,958,999.32-1,579,663.50

Finding the Fourth Proportional to 2,868,776.98, 3,958,999.32 and 1,579,663.50

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Solution

The fourth proportional to 2,868,776.98, 3,958,999.32 and 1,579,663.50 is: 2,179,983.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868,776.98 : 3,958,999.32 = 1,579,663.50 : x
  2. Step 2: Convert to fraction form
    2,868,776.98/3,958,999.32 = 1,579,663.50/x
  3. Step 3: Cross multiply
    2,868,776.98x = 3,958,999.32 × 1,579,663.50
  4. Step 4: Simplify right side
    2,868,776.98x = 6,253,886,722,328.82
  5. Step 5: Solve for x
    x = 6,253,886,722,328.82/2,868,776.98
  6. Step 6: Final answer
    x = 2,179,983.58

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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.