Finding the Fourth Proportional to 3,198,275.51, 4,413,609.62 and 1,747,970.55
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Solution
The fourth proportional to 3,198,275.51, 4,413,609.62 and 1,747,970.55 is: 2,412,193.58
Step by Step Solution
- Step 1: Write the proportion equation
3,198,275.51 : 4,413,609.62 = 1,747,970.55 : x - Step 2: Convert to fraction form
3,198,275.51/4,413,609.62 = 1,747,970.55/x - Step 3: Cross multiply
3,198,275.51x = 4,413,609.62 × 1,747,970.55 - Step 4: Simplify right side
3,198,275.51x = 7,714,859,626,216.84 - Step 5: Solve for x
x = 7,714,859,626,216.84/3,198,275.51 - Step 6: Final answer
x = 2,412,193.58
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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.