Home / 2,319,878.52-3,201,467.19-1,287,453.20

Finding the Fourth Proportional to 2,319,878.52, 3,201,467.19 and 1,287,453.20

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Solution

The fourth proportional to 2,319,878.52, 3,201,467.19 and 1,287,453.20 is: 1,776,704.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,878.52 : 3,201,467.19 = 1,287,453.20 : x
  2. Step 2: Convert to fraction form
    2,319,878.52/3,201,467.19 = 1,287,453.20/x
  3. Step 3: Cross multiply
    2,319,878.52x = 3,201,467.19 × 1,287,453.20
  4. Step 4: Simplify right side
    2,319,878.52x = 4,121,739,178,460.51
  5. Step 5: Solve for x
    x = 4,121,739,178,460.51/2,319,878.52
  6. Step 6: Final answer
    x = 1,776,704.75

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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.