Finding the Fourth Proportional to 4,631,979.92, 6,947,747.40 and 1,266,194.48
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Solution
The fourth proportional to 4,631,979.92, 6,947,747.40 and 1,266,194.48 is: 1,899,230.90
Step by Step Solution
- Step 1: Write the proportion equation
4,631,979.92 : 6,947,747.40 = 1,266,194.48 : x - Step 2: Convert to fraction form
4,631,979.92/6,947,747.40 = 1,266,194.48/x - Step 3: Cross multiply
4,631,979.92x = 6,947,747.40 × 1,266,194.48 - Step 4: Simplify right side
4,631,979.92x = 8,797,199,406,314.35 - Step 5: Solve for x
x = 8,797,199,406,314.35/4,631,979.92 - Step 6: Final answer
x = 1,899,230.90
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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.