Finding the Fourth Proportional to 1,486,345.62, 2,230,109.19 and 475,623.30
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Solution
The fourth proportional to 1,486,345.62, 2,230,109.19 and 475,623.30 is: 713,623.99
Step by Step Solution
- Step 1: Write the proportion equation
1,486,345.62 : 2,230,109.19 = 475,623.30 : x - Step 2: Convert to fraction form
1,486,345.62/2,230,109.19 = 475,623.30/x - Step 3: Cross multiply
1,486,345.62x = 2,230,109.19 × 475,623.30 - Step 4: Simplify right side
1,486,345.62x = 1,060,691,892,308.13 - Step 5: Solve for x
x = 1,060,691,892,308.13/1,486,345.62 - Step 6: Final answer
x = 713,623.99
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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.