Home / 2,322,237.12-3,204,636.32-1,289,686.40

Finding the Fourth Proportional to 2,322,237.12, 3,204,636.32 and 1,289,686.40

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Solution

The fourth proportional to 2,322,237.12, 3,204,636.32 and 1,289,686.40 is: 1,779,738.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,322,237.12 : 3,204,636.32 = 1,289,686.40 : x
  2. Step 2: Convert to fraction form
    2,322,237.12/3,204,636.32 = 1,289,686.40/x
  3. Step 3: Cross multiply
    2,322,237.12x = 3,204,636.32 × 1,289,686.40
  4. Step 4: Simplify right side
    2,322,237.12x = 4,132,975,878,850.05
  5. Step 5: Solve for x
    x = 4,132,975,878,850.05/2,322,237.12
  6. Step 6: Final answer
    x = 1,779,738.96

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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.