Finding the Fourth Proportional to 1,551,317.92, 2,326,976.96 and 486,445.75
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Solution
The fourth proportional to 1,551,317.92, 2,326,976.96 and 486,445.75 is: 729,668.65
Step by Step Solution
- Step 1: Write the proportion equation
1,551,317.92 : 2,326,976.96 = 486,445.75 : x - Step 2: Convert to fraction form
1,551,317.92/2,326,976.96 = 486,445.75/x - Step 3: Cross multiply
1,551,317.92x = 2,326,976.96 × 486,445.75 - Step 4: Simplify right side
1,551,317.92x = 1,131,948,060,115.75 - Step 5: Solve for x
x = 1,131,948,060,115.75/1,551,317.92 - Step 6: Final answer
x = 729,668.65
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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.