Finding the Fourth Proportional to 1,969,502.97, 2,717,911.47 and 1,064,084.97
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Solution
The fourth proportional to 1,969,502.97, 2,717,911.47 and 1,064,084.97 is: 1,468,435.84
Step by Step Solution
- Step 1: Write the proportion equation
1,969,502.97 : 2,717,911.47 = 1,064,084.97 : x - Step 2: Convert to fraction form
1,969,502.97/2,717,911.47 = 1,064,084.97/x - Step 3: Cross multiply
1,969,502.97x = 2,717,911.47 × 1,064,084.97 - Step 4: Simplify right side
1,969,502.97x = 2,892,088,745,017.61 - Step 5: Solve for x
x = 2,892,088,745,017.61/1,969,502.97 - Step 6: Final answer
x = 1,468,435.84
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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.