Finding the Fourth Proportional to 1,743,872.63, 2,406,769.74 and 979,926.26
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Solution
The fourth proportional to 1,743,872.63, 2,406,769.74 and 979,926.26 is: 1,352,424.96
Step by Step Solution
- Step 1: Write the proportion equation
1,743,872.63 : 2,406,769.74 = 979,926.26 : x - Step 2: Convert to fraction form
1,743,872.63/2,406,769.74 = 979,926.26/x - Step 3: Cross multiply
1,743,872.63x = 2,406,769.74 × 979,926.26 - Step 4: Simplify right side
1,743,872.63x = 2,358,456,857,965.52 - Step 5: Solve for x
x = 2,358,456,857,965.52/1,743,872.63 - Step 6: Final answer
x = 1,352,424.96
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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.