Home / 5,221,707.95-7,830,787.94-1,809,198.02

Finding the Fourth Proportional to 5,221,707.95, 7,830,787.94 and 1,809,198.02

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Solution

The fourth proportional to 5,221,707.95, 7,830,787.94 and 1,809,198.02 is: 2,713,182.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,707.95 : 7,830,787.94 = 1,809,198.02 : x
  2. Step 2: Convert to fraction form
    5,221,707.95/7,830,787.94 = 1,809,198.02/x
  3. Step 3: Cross multiply
    5,221,707.95x = 7,830,787.94 × 1,809,198.02
  4. Step 4: Simplify right side
    5,221,707.95x = 14,167,445,987,887.95
  5. Step 5: Solve for x
    x = 14,167,445,987,887.95/5,221,707.95
  6. Step 6: Final answer
    x = 2,713,182.38

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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.