Home / 6,443,198.61-8,891,386.40-3,542,566.84

Finding the Fourth Proportional to 6,443,198.61, 8,891,386.40 and 3,542,566.84

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Solution

The fourth proportional to 6,443,198.61, 8,891,386.40 and 3,542,566.84 is: 4,888,617.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443,198.61 : 8,891,386.40 = 3,542,566.84 : x
  2. Step 2: Convert to fraction form
    6,443,198.61/8,891,386.40 = 3,542,566.84/x
  3. Step 3: Cross multiply
    6,443,198.61x = 8,891,386.40 × 3,542,566.84
  4. Step 4: Simplify right side
    6,443,198.61x = 31,498,330,658,908.98
  5. Step 5: Solve for x
    x = 31,498,330,658,908.98/6,443,198.61
  6. Step 6: Final answer
    x = 4,888,617.06

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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.