Finding the Fourth Proportional to 1,781,755.07, 2,460,851.82 and 1,207,798.79
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Solution
The fourth proportional to 1,781,755.07, 2,460,851.82 and 1,207,798.79 is: 1,668,138.28
Step by Step Solution
- Step 1: Write the proportion equation
1,781,755.07 : 2,460,851.82 = 1,207,798.79 : x - Step 2: Convert to fraction form
1,781,755.07/2,460,851.82 = 1,207,798.79/x - Step 3: Cross multiply
1,781,755.07x = 2,460,851.82 × 1,207,798.79 - Step 4: Simplify right side
1,781,755.07x = 2,972,213,838,261.04 - Step 5: Solve for x
x = 2,972,213,838,261.04/1,781,755.07 - Step 6: Final answer
x = 1,668,138.28
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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.