Home / 2,146,515.40-3,219,773.10-2,118,521.80

Finding the Fourth Proportional to 2,146,515.40, 3,219,773.10 and 2,118,521.80

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Solution

The fourth proportional to 2,146,515.40, 3,219,773.10 and 2,118,521.80 is: 3,177,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,515.40 : 3,219,773.10 = 2,118,521.80 : x
  2. Step 2: Convert to fraction form
    2,146,515.40/3,219,773.10 = 2,118,521.80/x
  3. Step 3: Cross multiply
    2,146,515.40x = 3,219,773.10 × 2,118,521.80
  4. Step 4: Simplify right side
    2,146,515.40x = 6,821,159,503,403.58
  5. Step 5: Solve for x
    x = 6,821,159,503,403.58/2,146,515.40
  6. Step 6: Final answer
    x = 3,177,782.70

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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.