Finding the Fourth Proportional to 2,459,781.42, 3,394,582.47 and 1,427,211.24
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Solution
The fourth proportional to 2,459,781.42, 3,394,582.47 and 1,427,211.24 is: 1,969,600.31
Step by Step Solution
- Step 1: Write the proportion equation
2,459,781.42 : 3,394,582.47 = 1,427,211.24 : x - Step 2: Convert to fraction form
2,459,781.42/3,394,582.47 = 1,427,211.24/x - Step 3: Cross multiply
2,459,781.42x = 3,394,582.47 × 1,427,211.24 - Step 4: Simplify right side
2,459,781.42x = 4,844,786,256,290.96 - Step 5: Solve for x
x = 4,844,786,256,290.96/2,459,781.42 - Step 6: Final answer
x = 1,969,600.31
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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.