Home / 1,907,861.85-2,632,275.23-1,143,636.57

Finding the Fourth Proportional to 1,907,861.85, 2,632,275.23 and 1,143,636.57

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Solution

The fourth proportional to 1,907,861.85, 2,632,275.23 and 1,143,636.57 is: 1,577,874.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,861.85 : 2,632,275.23 = 1,143,636.57 : x
  2. Step 2: Convert to fraction form
    1,907,861.85/2,632,275.23 = 1,143,636.57/x
  3. Step 3: Cross multiply
    1,907,861.85x = 2,632,275.23 × 1,143,636.57
  4. Step 4: Simplify right side
    1,907,861.85x = 3,010,366,209,614.98
  5. Step 5: Solve for x
    x = 3,010,366,209,614.98/1,907,861.85
  6. Step 6: Final answer
    x = 1,577,874.31

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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.