Finding the Fourth Proportional to 2,852,768.80, 3,936,916.15 and 1,563,612.49
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Solution
The fourth proportional to 2,852,768.80, 3,936,916.15 and 1,563,612.49 is: 2,157,837.42
Step by Step Solution
- Step 1: Write the proportion equation
2,852,768.80 : 3,936,916.15 = 1,563,612.49 : x - Step 2: Convert to fraction form
2,852,768.80/3,936,916.15 = 1,563,612.49/x - Step 3: Cross multiply
2,852,768.80x = 3,936,916.15 × 1,563,612.49 - Step 4: Simplify right side
2,852,768.80x = 6,155,811,274,030.15 - Step 5: Solve for x
x = 6,155,811,274,030.15/2,852,768.80 - Step 6: Final answer
x = 2,157,837.42
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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.