Finding the Fourth Proportional to 1,676,583.81, 2,515,054.79 and 717,138.68
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Solution
The fourth proportional to 1,676,583.81, 2,515,054.79 and 717,138.68 is: 1,075,784.61
Step by Step Solution
- Step 1: Write the proportion equation
1,676,583.81 : 2,515,054.79 = 717,138.68 : x - Step 2: Convert to fraction form
1,676,583.81/2,515,054.79 = 717,138.68/x - Step 3: Cross multiply
1,676,583.81x = 2,515,054.79 × 717,138.68 - Step 4: Simplify right side
1,676,583.81x = 1,803,643,061,445.85 - Step 5: Solve for x
x = 1,803,643,061,445.85/1,676,583.81 - Step 6: Final answer
x = 1,075,784.61
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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.