Home / 5,330,319-7,356,015.72-2,915,871

Finding the Fourth Proportional to 5,330,319, 7,356,015.72 and 2,915,871

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Solution

The fourth proportional to 5,330,319, 7,356,015.72 and 2,915,871 is: 4,023,997.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330,319 : 7,356,015.72 = 2,915,871 : x
  2. Step 2: Convert to fraction form
    5,330,319/7,356,015.72 = 2,915,871/x
  3. Step 3: Cross multiply
    5,330,319x = 7,356,015.72 × 2,915,871
  4. Step 4: Simplify right side
    5,330,319x = 21,449,192,913,492.12
  5. Step 5: Solve for x
    x = 21,449,192,913,492.12/5,330,319
  6. Step 6: Final answer
    x = 4,023,997.98

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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.