Home / 5,381,264.10-8,071,861.93-1,969,788.32

Finding the Fourth Proportional to 5,381,264.10, 8,071,861.93 and 1,969,788.32

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Solution

The fourth proportional to 5,381,264.10, 8,071,861.93 and 1,969,788.32 is: 2,954,669.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,264.10 : 8,071,861.93 = 1,969,788.32 : x
  2. Step 2: Convert to fraction form
    5,381,264.10/8,071,861.93 = 1,969,788.32/x
  3. Step 3: Cross multiply
    5,381,264.10x = 8,071,861.93 × 1,969,788.32
  4. Step 4: Simplify right side
    5,381,264.10x = 15,899,859,305,082.88
  5. Step 5: Solve for x
    x = 15,899,859,305,082.88/5,381,264.10
  6. Step 6: Final answer
    x = 2,954,669.95

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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.