Finding the Fourth Proportional to 2,185,207.55, 3,279,283.90 and 765,275.93
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Solution
The fourth proportional to 2,185,207.55, 3,279,283.90 and 765,275.93 is: 1,148,429.60
Step by Step Solution
- Step 1: Write the proportion equation
2,185,207.55 : 3,279,283.90 = 765,275.93 : x - Step 2: Convert to fraction form
2,185,207.55/3,279,283.90 = 765,275.93/x - Step 3: Cross multiply
2,185,207.55x = 3,279,283.90 × 765,275.93 - Step 4: Simplify right side
2,185,207.55x = 2,509,557,017,996.92 - Step 5: Solve for x
x = 2,509,557,017,996.92/2,185,207.55 - Step 6: Final answer
x = 1,148,429.60
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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.