Home / 2,308,577.88-3,185,830.80-1,289,983.44

Finding the Fourth Proportional to 2,308,577.88, 3,185,830.80 and 1,289,983.44

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Solution

The fourth proportional to 2,308,577.88, 3,185,830.80 and 1,289,983.44 is: 1,780,173.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308,577.88 : 3,185,830.80 = 1,289,983.44 : x
  2. Step 2: Convert to fraction form
    2,308,577.88/3,185,830.80 = 1,289,983.44/x
  3. Step 3: Cross multiply
    2,308,577.88x = 3,185,830.80 × 1,289,983.44
  4. Step 4: Simplify right side
    2,308,577.88x = 4,109,668,974,641.95
  5. Step 5: Solve for x
    x = 4,109,668,974,641.95/2,308,577.88
  6. Step 6: Final answer
    x = 1,780,173.42

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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.