Home / 4,879,109.85-7,319,023.87-1,284,851.49

Finding the Fourth Proportional to 4,879,109.85, 7,319,023.87 and 1,284,851.49

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Solution

The fourth proportional to 4,879,109.85, 7,319,023.87 and 1,284,851.49 is: 1,927,371.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879,109.85 : 7,319,023.87 = 1,284,851.49 : x
  2. Step 2: Convert to fraction form
    4,879,109.85/7,319,023.87 = 1,284,851.49/x
  3. Step 3: Cross multiply
    4,879,109.85x = 7,319,023.87 × 1,284,851.49
  4. Step 4: Simplify right side
    4,879,109.85x = 9,403,858,684,907.82
  5. Step 5: Solve for x
    x = 9,403,858,684,907.82/4,879,109.85
  6. Step 6: Final answer
    x = 1,927,371.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.