Finding the Fourth Proportional to 5,170,838.64, 7,756,612.20 and 1,757,736.24
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Solution
The fourth proportional to 5,170,838.64, 7,756,612.20 and 1,757,736.24 is: 2,636,724.78
Step by Step Solution
- Step 1: Write the proportion equation
5,170,838.64 : 7,756,612.20 = 1,757,736.24 : x - Step 2: Convert to fraction form
5,170,838.64/7,756,612.20 = 1,757,736.24/x - Step 3: Cross multiply
5,170,838.64x = 7,756,612.20 × 1,757,736.24 - Step 4: Simplify right side
5,170,838.64x = 13,634,078,363,566.13 - Step 5: Solve for x
x = 13,634,078,363,566.13/5,170,838.64 - Step 6: Final answer
x = 2,636,724.78
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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.