Finding the Fourth Proportional to 1,719,049.20, 2,579,092.20 and 920,713.20
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Solution
The fourth proportional to 1,719,049.20, 2,579,092.20 and 920,713.20 is: 1,381,347.45
Step by Step Solution
- Step 1: Write the proportion equation
1,719,049.20 : 2,579,092.20 = 920,713.20 : x - Step 2: Convert to fraction form
1,719,049.20/2,579,092.20 = 920,713.20/x - Step 3: Cross multiply
1,719,049.20x = 2,579,092.20 × 920,713.20 - Step 4: Simplify right side
1,719,049.20x = 2,374,604,232,557.04 - Step 5: Solve for x
x = 2,374,604,232,557.04/1,719,049.20 - Step 6: Final answer
x = 1,381,347.45
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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.