Finding the Fourth Proportional to 3,081,726.82, 4,623,220.70 and 1,059,708.12
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Solution
The fourth proportional to 3,081,726.82, 4,623,220.70 and 1,059,708.12 is: 1,589,778.97
Step by Step Solution
- Step 1: Write the proportion equation
3,081,726.82 : 4,623,220.70 = 1,059,708.12 : x - Step 2: Convert to fraction form
3,081,726.82/4,623,220.70 = 1,059,708.12/x - Step 3: Cross multiply
3,081,726.82x = 4,623,220.70 × 1,059,708.12 - Step 4: Simplify right side
3,081,726.82x = 4,899,264,494,327.35 - Step 5: Solve for x
x = 4,899,264,494,327.35/3,081,726.82 - Step 6: Final answer
x = 1,589,778.97
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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.