Finding the Fourth Proportional to 2,519,192.12, 3,778,398.66 and 921,381.56
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Solution
The fourth proportional to 2,519,192.12, 3,778,398.66 and 921,381.56 is: 1,381,929.88
Step by Step Solution
- Step 1: Write the proportion equation
2,519,192.12 : 3,778,398.66 = 921,381.56 : x - Step 2: Convert to fraction form
2,519,192.12/3,778,398.66 = 921,381.56/x - Step 3: Cross multiply
2,519,192.12x = 3,778,398.66 × 921,381.56 - Step 4: Simplify right side
2,519,192.12x = 3,481,346,851,652.71 - Step 5: Solve for x
x = 3,481,346,851,652.71/2,519,192.12 - Step 6: Final answer
x = 1,381,929.88
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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.