Home / 5,430,934.50-8,147,450.79-2,064,879.78

Finding the Fourth Proportional to 5,430,934.50, 8,147,450.79 and 2,064,879.78

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Solution

The fourth proportional to 5,430,934.50, 8,147,450.79 and 2,064,879.78 is: 3,097,718.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,934.50 : 8,147,450.79 = 2,064,879.78 : x
  2. Step 2: Convert to fraction form
    5,430,934.50/8,147,450.79 = 2,064,879.78/x
  3. Step 3: Cross multiply
    5,430,934.50x = 8,147,450.79 × 2,064,879.78
  4. Step 4: Simplify right side
    5,430,934.50x = 16,823,506,394,816.03
  5. Step 5: Solve for x
    x = 16,823,506,394,816.03/5,430,934.50
  6. Step 6: Final answer
    x = 3,097,718.52

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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.