Finding the Fourth Proportional to 5,423,444.32, 8,131,976.88 and 2,057,887.84
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Solution
The fourth proportional to 5,423,444.32, 8,131,976.88 and 2,057,887.84 is: 3,085,621.49
Step by Step Solution
- Step 1: Write the proportion equation
5,423,444.32 : 8,131,976.88 = 2,057,887.84 : x - Step 2: Convert to fraction form
5,423,444.32/8,131,976.88 = 2,057,887.84/x - Step 3: Cross multiply
5,423,444.32x = 8,131,976.88 × 2,057,887.84 - Step 4: Simplify right side
5,423,444.32x = 16,734,696,336,513.14 - Step 5: Solve for x
x = 16,734,696,336,513.14/5,423,444.32 - Step 6: Final answer
x = 3,085,621.49
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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.