Finding the Fourth Proportional to 5,600,979.40, 8,382,806.70 and 5,153,081.80
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Solution
The fourth proportional to 5,600,979.40, 8,382,806.70 and 5,153,081.80 is: 7,712,452.69
Step by Step Solution
- Step 1: Write the proportion equation
5,600,979.40 : 8,382,806.70 = 5,153,081.80 : x - Step 2: Convert to fraction form
5,600,979.40/8,382,806.70 = 5,153,081.80/x - Step 3: Cross multiply
5,600,979.40x = 8,382,806.70 × 5,153,081.80 - Step 4: Simplify right side
5,600,979.40x = 43,197,288,638,688.06 - Step 5: Solve for x
x = 43,197,288,638,688.06/5,600,979.40 - Step 6: Final answer
x = 7,712,452.69
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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.