Finding the Fourth Proportional to 1,636,231.21, 2,454,514.75 and 626,202.79
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Solution
The fourth proportional to 1,636,231.21, 2,454,514.75 and 626,202.79 is: 939,368.45
Step by Step Solution
- Step 1: Write the proportion equation
1,636,231.21 : 2,454,514.75 = 626,202.79 : x - Step 2: Convert to fraction form
1,636,231.21/2,454,514.75 = 626,202.79/x - Step 3: Cross multiply
1,636,231.21x = 2,454,514.75 × 626,202.79 - Step 4: Simplify right side
1,636,231.21x = 1,537,023,979,192.62 - Step 5: Solve for x
x = 1,537,023,979,192.62/1,636,231.21 - Step 6: Final answer
x = 939,368.45
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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.