Finding the Fourth Proportional to 5,250,409.74, 7,875,864.96 and 2,551,519.62
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Solution
The fourth proportional to 5,250,409.74, 7,875,864.96 and 2,551,519.62 is: 3,827,401.09
Step by Step Solution
- Step 1: Write the proportion equation
5,250,409.74 : 7,875,864.96 = 2,551,519.62 : x - Step 2: Convert to fraction form
5,250,409.74/7,875,864.96 = 2,551,519.62/x - Step 3: Cross multiply
5,250,409.74x = 7,875,864.96 × 2,551,519.62 - Step 4: Simplify right side
5,250,409.74x = 20,095,423,969,910.52 - Step 5: Solve for x
x = 20,095,423,969,910.52/5,250,409.74 - Step 6: Final answer
x = 3,827,401.09
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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.