Home / 2,585,545.82-3,878,583.60-989,451.34

Finding the Fourth Proportional to 2,585,545.82, 3,878,583.60 and 989,451.34

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Solution

The fourth proportional to 2,585,545.82, 3,878,583.60 and 989,451.34 is: 1,484,278.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,545.82 : 3,878,583.60 = 989,451.34 : x
  2. Step 2: Convert to fraction form
    2,585,545.82/3,878,583.60 = 989,451.34/x
  3. Step 3: Cross multiply
    2,585,545.82x = 3,878,583.60 × 989,451.34
  4. Step 4: Simplify right side
    2,585,545.82x = 3,837,669,740,322.02
  5. Step 5: Solve for x
    x = 3,837,669,740,322.02/2,585,545.82
  6. Step 6: Final answer
    x = 1,484,278.37

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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.