Home / 3,100,795.80-4,638,071.70-2,783,243.40

Finding the Fourth Proportional to 3,100,795.80, 4,638,071.70 and 2,783,243.40

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Solution

The fourth proportional to 3,100,795.80, 4,638,071.70 and 2,783,243.40 is: 4,163,086.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,795.80 : 4,638,071.70 = 2,783,243.40 : x
  2. Step 2: Convert to fraction form
    3,100,795.80/4,638,071.70 = 2,783,243.40/x
  3. Step 3: Cross multiply
    3,100,795.80x = 4,638,071.70 × 2,783,243.40
  4. Step 4: Simplify right side
    3,100,795.80x = 12,908,882,447,751.78
  5. Step 5: Solve for x
    x = 12,908,882,447,751.78/3,100,795.80
  6. Step 6: Final answer
    x = 4,163,086.92

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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.