Finding the Fourth Proportional to 1,852,814.18, 2,554,853.16 and 1,207,036.82
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Solution
The fourth proportional to 1,852,814.18, 2,554,853.16 and 1,207,036.82 is: 1,664,388.08
Step by Step Solution
- Step 1: Write the proportion equation
1,852,814.18 : 2,554,853.16 = 1,207,036.82 : x - Step 2: Convert to fraction form
1,852,814.18/2,554,853.16 = 1,207,036.82/x - Step 3: Cross multiply
1,852,814.18x = 2,554,853.16 × 1,207,036.82 - Step 4: Simplify right side
1,852,814.18x = 3,083,801,833,813.35 - Step 5: Solve for x
x = 3,083,801,833,813.35/1,852,814.18 - Step 6: Final answer
x = 1,664,388.08
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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.