Home / 3,086,835.88-4,259,064-1,780,487.32

Finding the Fourth Proportional to 3,086,835.88, 4,259,064 and 1,780,487.32

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Solution

The fourth proportional to 3,086,835.88, 4,259,064 and 1,780,487.32 is: 2,456,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086,835.88 : 4,259,064 = 1,780,487.32 : x
  2. Step 2: Convert to fraction form
    3,086,835.88/4,259,064 = 1,780,487.32/x
  3. Step 3: Cross multiply
    3,086,835.88x = 4,259,064 × 1,780,487.32
  4. Step 4: Simplify right side
    3,086,835.88x = 7,583,209,447,068.48
  5. Step 5: Solve for x
    x = 7,583,209,447,068.48/3,086,835.88
  6. Step 6: Final answer
    x = 2,456,628.65

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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.