Home / 3,579,516.16-4,939,733.11-1,969,884.16

Finding the Fourth Proportional to 3,579,516.16, 4,939,733.11 and 1,969,884.16

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Solution

The fourth proportional to 3,579,516.16, 4,939,733.11 and 1,969,884.16 is: 2,718,440.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,516.16 : 4,939,733.11 = 1,969,884.16 : x
  2. Step 2: Convert to fraction form
    3,579,516.16/4,939,733.11 = 1,969,884.16/x
  3. Step 3: Cross multiply
    3,579,516.16x = 4,939,733.11 × 1,969,884.16
  4. Step 4: Simplify right side
    3,579,516.16x = 9,730,701,985,817.79
  5. Step 5: Solve for x
    x = 9,730,701,985,817.79/3,579,516.16
  6. Step 6: Final answer
    x = 2,718,440.58

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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.