Home / 2,895,381.90-4,341,657.78-1,189,069.11

Finding the Fourth Proportional to 2,895,381.90, 4,341,657.78 and 1,189,069.11

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Solution

The fourth proportional to 2,895,381.90, 4,341,657.78 and 1,189,069.11 is: 1,783,022.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895,381.90 : 4,341,657.78 = 1,189,069.11 : x
  2. Step 2: Convert to fraction form
    2,895,381.90/4,341,657.78 = 1,189,069.11/x
  3. Step 3: Cross multiply
    2,895,381.90x = 4,341,657.78 × 1,189,069.11
  4. Step 4: Simplify right side
    2,895,381.90x = 5,162,531,152,389.18
  5. Step 5: Solve for x
    x = 5,162,531,152,389.18/2,895,381.90
  6. Step 6: Final answer
    x = 1,783,022.53

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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.