Home / 2,585,544.82-3,878,582.10-989,450.34

Finding the Fourth Proportional to 2,585,544.82, 3,878,582.10 and 989,450.34

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Solution

The fourth proportional to 2,585,544.82, 3,878,582.10 and 989,450.34 is: 1,484,276.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,544.82 : 3,878,582.10 = 989,450.34 : x
  2. Step 2: Convert to fraction form
    2,585,544.82/3,878,582.10 = 989,450.34/x
  3. Step 3: Cross multiply
    2,585,544.82x = 3,878,582.10 × 989,450.34
  4. Step 4: Simplify right side
    2,585,544.82x = 3,837,664,377,562.91
  5. Step 5: Solve for x
    x = 3,837,664,377,562.91/2,585,544.82
  6. Step 6: Final answer
    x = 1,484,276.87

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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.