Finding the Fourth Proportional to 1,283,502.90, 1,922,486.33 and 1,208,044.92
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Solution
The fourth proportional to 1,283,502.90, 1,922,486.33 and 1,208,044.92 is: 1,809,462.09
Step by Step Solution
- Step 1: Write the proportion equation
1,283,502.90 : 1,922,486.33 = 1,208,044.92 : x - Step 2: Convert to fraction form
1,283,502.90/1,922,486.33 = 1,208,044.92/x - Step 3: Cross multiply
1,283,502.90x = 1,922,486.33 × 1,208,044.92 - Step 4: Simplify right side
1,283,502.90x = 2,322,449,838,685.72 - Step 5: Solve for x
x = 2,322,449,838,685.72/1,283,502.90 - Step 6: Final answer
x = 1,809,462.09
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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.