Finding the Fourth Proportional to 1,600,612.68, 2,208,916.26 and 921,767.88
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Solution
The fourth proportional to 1,600,612.68, 2,208,916.26 and 921,767.88 is: 1,272,080.42
Step by Step Solution
- Step 1: Write the proportion equation
1,600,612.68 : 2,208,916.26 = 921,767.88 : x - Step 2: Convert to fraction form
1,600,612.68/2,208,916.26 = 921,767.88/x - Step 3: Cross multiply
1,600,612.68x = 2,208,916.26 × 921,767.88 - Step 4: Simplify right side
1,600,612.68x = 2,036,108,058,077.73 - Step 5: Solve for x
x = 2,036,108,058,077.73/1,600,612.68 - Step 6: Final answer
x = 1,272,080.42
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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.