Finding the Fourth Proportional to 3,879,935.97, 5,354,313.10 and 2,249,288.60
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Solution
The fourth proportional to 3,879,935.97, 5,354,313.10 and 2,249,288.60 is: 3,104,019.11
Step by Step Solution
- Step 1: Write the proportion equation
3,879,935.97 : 5,354,313.10 = 2,249,288.60 : x - Step 2: Convert to fraction form
3,879,935.97/5,354,313.10 = 2,249,288.60/x - Step 3: Cross multiply
3,879,935.97x = 5,354,313.10 × 2,249,288.60 - Step 4: Simplify right side
3,879,935.97x = 12,043,395,389,889.10 - Step 5: Solve for x
x = 12,043,395,389,889.10/3,879,935.97 - Step 6: Final answer
x = 3,104,019.11
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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.