Home / 3,131,750.70-4,698,063.45-1,334,619.90

Finding the Fourth Proportional to 3,131,750.70, 4,698,063.45 and 1,334,619.90

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Solution

The fourth proportional to 3,131,750.70, 4,698,063.45 and 1,334,619.90 is: 2,002,116.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,750.70 : 4,698,063.45 = 1,334,619.90 : x
  2. Step 2: Convert to fraction form
    3,131,750.70/4,698,063.45 = 1,334,619.90/x
  3. Step 3: Cross multiply
    3,131,750.70x = 4,698,063.45 × 1,334,619.90
  4. Step 4: Simplify right side
    3,131,750.70x = 6,270,128,971,832.66
  5. Step 5: Solve for x
    x = 6,270,128,971,832.66/3,131,750.70
  6. Step 6: Final answer
    x = 2,002,116.25

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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.