Home / 2,319,867.45-3,201,410.16-1,287,530.73

Finding the Fourth Proportional to 2,319,867.45, 3,201,410.16 and 1,287,530.73

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Solution

The fourth proportional to 2,319,867.45, 3,201,410.16 and 1,287,530.73 is: 1,776,788.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,867.45 : 3,201,410.16 = 1,287,530.73 : x
  2. Step 2: Convert to fraction form
    2,319,867.45/3,201,410.16 = 1,287,530.73/x
  3. Step 3: Cross multiply
    2,319,867.45x = 3,201,410.16 × 1,287,530.73
  4. Step 4: Simplify right side
    2,319,867.45x = 4,121,913,960,334.22
  5. Step 5: Solve for x
    x = 4,121,913,960,334.22/2,319,867.45
  6. Step 6: Final answer
    x = 1,776,788.57

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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.