Home / 2,986,674.56-4,480,028.04-742,812.56

Finding the Fourth Proportional to 2,986,674.56, 4,480,028.04 and 742,812.56

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Solution

The fourth proportional to 2,986,674.56, 4,480,028.04 and 742,812.56 is: 1,114,222.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,674.56 : 4,480,028.04 = 742,812.56 : x
  2. Step 2: Convert to fraction form
    2,986,674.56/4,480,028.04 = 742,812.56/x
  3. Step 3: Cross multiply
    2,986,674.56x = 4,480,028.04 × 742,812.56
  4. Step 4: Simplify right side
    2,986,674.56x = 3,327,821,097,264.18
  5. Step 5: Solve for x
    x = 3,327,821,097,264.18/2,986,674.56
  6. Step 6: Final answer
    x = 1,114,222.87

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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.