Home / 2,486,133.60-3,729,200.40-1,405,536.90

Finding the Fourth Proportional to 2,486,133.60, 3,729,200.40 and 1,405,536.90

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Solution

The fourth proportional to 2,486,133.60, 3,729,200.40 and 1,405,536.90 is: 2,108,305.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,133.60 : 3,729,200.40 = 1,405,536.90 : x
  2. Step 2: Convert to fraction form
    2,486,133.60/3,729,200.40 = 1,405,536.90/x
  3. Step 3: Cross multiply
    2,486,133.60x = 3,729,200.40 × 1,405,536.90
  4. Step 4: Simplify right side
    2,486,133.60x = 5,241,528,769,694.76
  5. Step 5: Solve for x
    x = 5,241,528,769,694.76/2,486,133.60
  6. Step 6: Final answer
    x = 2,108,305.35

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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.