Home / 4,789,418.76-7,177,890.30-1,946,206.98

Finding the Fourth Proportional to 4,789,418.76, 7,177,890.30 and 1,946,206.98

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Solution

The fourth proportional to 4,789,418.76, 7,177,890.30 and 1,946,206.98 is: 2,916,775.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789,418.76 : 7,177,890.30 = 1,946,206.98 : x
  2. Step 2: Convert to fraction form
    4,789,418.76/7,177,890.30 = 1,946,206.98/x
  3. Step 3: Cross multiply
    4,789,418.76x = 7,177,890.30 × 1,946,206.98
  4. Step 4: Simplify right side
    4,789,418.76x = 13,969,660,203,534.29
  5. Step 5: Solve for x
    x = 13,969,660,203,534.29/4,789,418.76
  6. Step 6: Final answer
    x = 2,916,775.69

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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.