Home / 2,261,313.42-3,120,732-1,281,442.47

Finding the Fourth Proportional to 2,261,313.42, 3,120,732 and 1,281,442.47

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Solution

The fourth proportional to 2,261,313.42, 3,120,732 and 1,281,442.47 is: 1,768,458.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,313.42 : 3,120,732 = 1,281,442.47 : x
  2. Step 2: Convert to fraction form
    2,261,313.42/3,120,732 = 1,281,442.47/x
  3. Step 3: Cross multiply
    2,261,313.42x = 3,120,732 × 1,281,442.47
  4. Step 4: Simplify right side
    2,261,313.42x = 3,999,038,522,288.04
  5. Step 5: Solve for x
    x = 3,999,038,522,288.04/2,261,313.42
  6. Step 6: Final answer
    x = 1,768,458.32

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1.5x scale

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.