Home / 2,934,643.60-4,401,965.40-2,131,577.20

Finding the Fourth Proportional to 2,934,643.60, 4,401,965.40 and 2,131,577.20

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Solution

The fourth proportional to 2,934,643.60, 4,401,965.40 and 2,131,577.20 is: 3,197,365.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934,643.60 : 4,401,965.40 = 2,131,577.20 : x
  2. Step 2: Convert to fraction form
    2,934,643.60/4,401,965.40 = 2,131,577.20/x
  3. Step 3: Cross multiply
    2,934,643.60x = 4,401,965.40 × 2,131,577.20
  4. Step 4: Simplify right side
    2,934,643.60x = 9,383,129,081,828.88
  5. Step 5: Solve for x
    x = 9,383,129,081,828.88/2,934,643.60
  6. Step 6: Final answer
    x = 3,197,365.80

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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.