Finding the Fourth Proportional to 2,228,211.23, 3,342,543.36 and 769,067.76
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Solution
The fourth proportional to 2,228,211.23, 3,342,543.36 and 769,067.76 is: 1,153,679.82
Step by Step Solution
- Step 1: Write the proportion equation
2,228,211.23 : 3,342,543.36 = 769,067.76 : x - Step 2: Convert to fraction form
2,228,211.23/3,342,543.36 = 769,067.76/x - Step 3: Cross multiply
2,228,211.23x = 3,342,543.36 × 769,067.76 - Step 4: Simplify right side
2,228,211.23x = 2,570,642,334,578.07 - Step 5: Solve for x
x = 2,570,642,334,578.07/2,228,211.23 - Step 6: Final answer
x = 1,153,679.82
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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.