Finding the Fourth Proportional to 3,257,191.16, 4,886,537.32 and 1,127,275.28
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Solution
The fourth proportional to 3,257,191.16, 4,886,537.32 and 1,127,275.28 is: 1,691,172.68
Step by Step Solution
- Step 1: Write the proportion equation
3,257,191.16 : 4,886,537.32 = 1,127,275.28 : x - Step 2: Convert to fraction form
3,257,191.16/4,886,537.32 = 1,127,275.28/x - Step 3: Cross multiply
3,257,191.16x = 4,886,537.32 × 1,127,275.28 - Step 4: Simplify right side
3,257,191.16x = 5,508,472,720,934.37 - Step 5: Solve for x
x = 5,508,472,720,934.37/3,257,191.16 - Step 6: Final answer
x = 1,691,172.68
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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.