Home / 3,550,527.60-5,325,674.76-1,420,039.68

Finding the Fourth Proportional to 3,550,527.60, 5,325,674.76 and 1,420,039.68

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Solution

The fourth proportional to 3,550,527.60, 5,325,674.76 and 1,420,039.68 is: 2,130,012.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550,527.60 : 5,325,674.76 = 1,420,039.68 : x
  2. Step 2: Convert to fraction form
    3,550,527.60/5,325,674.76 = 1,420,039.68/x
  3. Step 3: Cross multiply
    3,550,527.60x = 5,325,674.76 × 1,420,039.68
  4. Step 4: Simplify right side
    3,550,527.60x = 7,562,669,481,974.48
  5. Step 5: Solve for x
    x = 7,562,669,481,974.48/3,550,527.60
  6. Step 6: Final answer
    x = 2,130,012.87

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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.