Finding the Fourth Proportional to 6,092,872.38, 8,409,090.05 and 3,888,686.66
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Solution
The fourth proportional to 6,092,872.38, 8,409,090.05 and 3,888,686.66 is: 5,366,978.70
Step by Step Solution
- Step 1: Write the proportion equation
6,092,872.38 : 8,409,090.05 = 3,888,686.66 : x - Step 2: Convert to fraction form
6,092,872.38/8,409,090.05 = 3,888,686.66/x - Step 3: Cross multiply
6,092,872.38x = 8,409,090.05 × 3,888,686.66 - Step 4: Simplify right side
6,092,872.38x = 32,700,316,300,173.74 - Step 5: Solve for x
x = 32,700,316,300,173.74/6,092,872.38 - Step 6: Final answer
x = 5,366,978.70
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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.