Finding the Fourth Proportional to 3,349,434.24, 4,623,421.68 and 1,991,304
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Solution
The fourth proportional to 3,349,434.24, 4,623,421.68 and 1,991,304 is: 2,748,714.39
Step by Step Solution
- Step 1: Write the proportion equation
3,349,434.24 : 4,623,421.68 = 1,991,304 : x - Step 2: Convert to fraction form
3,349,434.24/4,623,421.68 = 1,991,304/x - Step 3: Cross multiply
3,349,434.24x = 4,623,421.68 × 1,991,304 - Step 4: Simplify right side
3,349,434.24x = 9,206,638,085,070.72 - Step 5: Solve for x
x = 9,206,638,085,070.72/3,349,434.24 - Step 6: Final answer
x = 2,748,714.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.