Finding the Fourth Proportional to 5,476,081.17, 8,214,135.76 and 2,237,618.91
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Solution
The fourth proportional to 5,476,081.17, 8,214,135.76 and 2,237,618.91 is: 3,356,434.09
Step by Step Solution
- Step 1: Write the proportion equation
5,476,081.17 : 8,214,135.76 = 2,237,618.91 : x - Step 2: Convert to fraction form
5,476,081.17/8,214,135.76 = 2,237,618.91/x - Step 3: Cross multiply
5,476,081.17x = 8,214,135.76 × 2,237,618.91 - Step 4: Simplify right side
5,476,081.17x = 18,380,105,521,638.41 - Step 5: Solve for x
x = 18,380,105,521,638.41/5,476,081.17 - Step 6: Final answer
x = 3,356,434.09
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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.