Finding the Fourth Proportional to 5,558,264.50, 8,331,616.42 and 2,148,892.79
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Solution
The fourth proportional to 5,558,264.50, 8,331,616.42 and 2,148,892.79 is: 3,221,104.43
Step by Step Solution
- Step 1: Write the proportion equation
5,558,264.50 : 8,331,616.42 = 2,148,892.79 : x - Step 2: Convert to fraction form
5,558,264.50/8,331,616.42 = 2,148,892.79/x - Step 3: Cross multiply
5,558,264.50x = 8,331,616.42 × 2,148,892.79 - Step 4: Simplify right side
5,558,264.50x = 17,903,750,401,581.07 - Step 5: Solve for x
x = 17,903,750,401,581.07/5,558,264.50 - Step 6: Final answer
x = 3,221,104.43
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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.