Home / 2,813,220.16-4,219,771.20-683,314.72

Finding the Fourth Proportional to 2,813,220.16, 4,219,771.20 and 683,314.72

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Solution

The fourth proportional to 2,813,220.16, 4,219,771.20 and 683,314.72 is: 1,024,957.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813,220.16 : 4,219,771.20 = 683,314.72 : x
  2. Step 2: Convert to fraction form
    2,813,220.16/4,219,771.20 = 683,314.72/x
  3. Step 3: Cross multiply
    2,813,220.16x = 4,219,771.20 × 683,314.72
  4. Step 4: Simplify right side
    2,813,220.16x = 2,883,431,775,992.06
  5. Step 5: Solve for x
    x = 2,883,431,775,992.06/2,813,220.16
  6. Step 6: Final answer
    x = 1,024,957.74

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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.