Home / 3,019,861.98-4,168,226.79-1,780,553.34

Finding the Fourth Proportional to 3,019,861.98, 4,168,226.79 and 1,780,553.34

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Solution

The fourth proportional to 3,019,861.98, 4,168,226.79 and 1,780,553.34 is: 2,457,645.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019,861.98 : 4,168,226.79 = 1,780,553.34 : x
  2. Step 2: Convert to fraction form
    3,019,861.98/4,168,226.79 = 1,780,553.34/x
  3. Step 3: Cross multiply
    3,019,861.98x = 4,168,226.79 × 1,780,553.34
  4. Step 4: Simplify right side
    3,019,861.98x = 7,421,750,132,811.98
  5. Step 5: Solve for x
    x = 7,421,750,132,811.98/3,019,861.98
  6. Step 6: Final answer
    x = 2,457,645.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.