Home / 1,808,957.71-2,496,431.84-993,195.78

Finding the Fourth Proportional to 1,808,957.71, 2,496,431.84 and 993,195.78

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Solution

The fourth proportional to 1,808,957.71, 2,496,431.84 and 993,195.78 is: 1,370,648.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,957.71 : 2,496,431.84 = 993,195.78 : x
  2. Step 2: Convert to fraction form
    1,808,957.71/2,496,431.84 = 993,195.78/x
  3. Step 3: Cross multiply
    1,808,957.71x = 2,496,431.84 × 993,195.78
  4. Step 4: Simplify right side
    1,808,957.71x = 2,479,445,568,545.64
  5. Step 5: Solve for x
    x = 2,479,445,568,545.64/1,808,957.71
  6. Step 6: Final answer
    x = 1,370,648.72

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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.