Finding the Fourth Proportional to 4,214,579.33, 5,816,138.03 and 2,280,840.21
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Solution
The fourth proportional to 4,214,579.33, 5,816,138.03 and 2,280,840.21 is: 3,147,569.53
Step by Step Solution
- Step 1: Write the proportion equation
4,214,579.33 : 5,816,138.03 = 2,280,840.21 : x - Step 2: Convert to fraction form
4,214,579.33/5,816,138.03 = 2,280,840.21/x - Step 3: Cross multiply
4,214,579.33x = 5,816,138.03 × 2,280,840.21 - Step 4: Simplify right side
4,214,579.33x = 13,265,681,474,329.99 - Step 5: Solve for x
x = 13,265,681,474,329.99/4,214,579.33 - Step 6: Final answer
x = 3,147,569.53
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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.