Home / 2,664,357.60-3,996,536.40-1,315,999.20

Finding the Fourth Proportional to 2,664,357.60, 3,996,536.40 and 1,315,999.20

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Solution

The fourth proportional to 2,664,357.60, 3,996,536.40 and 1,315,999.20 is: 1,973,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,357.60 : 3,996,536.40 = 1,315,999.20 : x
  2. Step 2: Convert to fraction form
    2,664,357.60/3,996,536.40 = 1,315,999.20/x
  3. Step 3: Cross multiply
    2,664,357.60x = 3,996,536.40 × 1,315,999.20
  4. Step 4: Simplify right side
    2,664,357.60x = 5,259,438,705,170.88
  5. Step 5: Solve for x
    x = 5,259,438,705,170.88/2,664,357.60
  6. Step 6: Final answer
    x = 1,973,998.80

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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.