Finding the Fourth Proportional to 2,889,587.12, 3,987,660.12 and 1,743,446
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Solution
The fourth proportional to 2,889,587.12, 3,987,660.12 and 1,743,446 is: 2,405,973.52
Step by Step Solution
- Step 1: Write the proportion equation
2,889,587.12 : 3,987,660.12 = 1,743,446 : x - Step 2: Convert to fraction form
2,889,587.12/3,987,660.12 = 1,743,446/x - Step 3: Cross multiply
2,889,587.12x = 3,987,660.12 × 1,743,446 - Step 4: Simplify right side
2,889,587.12x = 6,952,270,085,573.52 - Step 5: Solve for x
x = 6,952,270,085,573.52/2,889,587.12 - Step 6: Final answer
x = 2,405,973.52
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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.