Home / 2,730,778.94-3,768,688.68-1,507,327.40

Finding the Fourth Proportional to 2,730,778.94, 3,768,688.68 and 1,507,327.40

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Solution

The fourth proportional to 2,730,778.94, 3,768,688.68 and 1,507,327.40 is: 2,080,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730,778.94 : 3,768,688.68 = 1,507,327.40 : x
  2. Step 2: Convert to fraction form
    2,730,778.94/3,768,688.68 = 1,507,327.40/x
  3. Step 3: Cross multiply
    2,730,778.94x = 3,768,688.68 × 1,507,327.40
  4. Step 4: Simplify right side
    2,730,778.94x = 5,680,647,709,433.83
  5. Step 5: Solve for x
    x = 5,680,647,709,433.83/2,730,778.94
  6. Step 6: Final answer
    x = 2,080,229.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.