Finding the Fourth Proportional to 2,992,407.12, 4,129,548.12 and 1,703,330.46
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Solution
The fourth proportional to 2,992,407.12, 4,129,548.12 and 1,703,330.46 is: 2,350,611.00
Step by Step Solution
- Step 1: Write the proportion equation
2,992,407.12 : 4,129,548.12 = 1,703,330.46 : x - Step 2: Convert to fraction form
2,992,407.12/4,129,548.12 = 1,703,330.46/x - Step 3: Cross multiply
2,992,407.12x = 4,129,548.12 × 1,703,330.46 - Step 4: Simplify right side
2,992,407.12x = 7,033,985,098,831.74 - Step 5: Solve for x
x = 7,033,985,098,831.74/2,992,407.12 - Step 6: Final answer
x = 2,350,611.00
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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.