Home / 6,709,908.70-10,064,863.05-1,661,219.20

Finding the Fourth Proportional to 6,709,908.70, 10,064,863.05 and 1,661,219.20

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Solution

The fourth proportional to 6,709,908.70, 10,064,863.05 and 1,661,219.20 is: 2,491,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,709,908.70 : 10,064,863.05 = 1,661,219.20 : x
  2. Step 2: Convert to fraction form
    6,709,908.70/10,064,863.05 = 1,661,219.20/x
  3. Step 3: Cross multiply
    6,709,908.70x = 10,064,863.05 × 1,661,219.20
  4. Step 4: Simplify right side
    6,709,908.70x = 16,719,943,744,030.56
  5. Step 5: Solve for x
    x = 16,719,943,744,030.56/6,709,908.70
  6. Step 6: Final answer
    x = 2,491,828.80

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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.