Home / 2,319,258.90-3,200,468.80-1,286,755.70

Finding the Fourth Proportional to 2,319,258.90, 3,200,468.80 and 1,286,755.70

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Solution

The fourth proportional to 2,319,258.90, 3,200,468.80 and 1,286,755.70 is: 1,775,662.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,258.90 : 3,200,468.80 = 1,286,755.70 : x
  2. Step 2: Convert to fraction form
    2,319,258.90/3,200,468.80 = 1,286,755.70/x
  3. Step 3: Cross multiply
    2,319,258.90x = 3,200,468.80 × 1,286,755.70
  4. Step 4: Simplify right side
    2,319,258.90x = 4,118,221,464,638.38
  5. Step 5: Solve for x
    x = 4,118,221,464,638.38/2,319,258.90
  6. Step 6: Final answer
    x = 1,775,662.68

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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.