Home / 5,381,266.01-8,071,864.84-1,969,790.22

Finding the Fourth Proportional to 5,381,266.01, 8,071,864.84 and 1,969,790.22

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Solution

The fourth proportional to 5,381,266.01, 8,071,864.84 and 1,969,790.22 is: 2,954,672.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,266.01 : 8,071,864.84 = 1,969,790.22 : x
  2. Step 2: Convert to fraction form
    5,381,266.01/8,071,864.84 = 1,969,790.22/x
  3. Step 3: Cross multiply
    5,381,266.01x = 8,071,864.84 × 1,969,790.22
  4. Step 4: Simplify right side
    5,381,266.01x = 15,899,880,409,144.91
  5. Step 5: Solve for x
    x = 15,899,880,409,144.91/5,381,266.01
  6. Step 6: Final answer
    x = 2,954,672.82

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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.