Finding the Fourth Proportional to 1,439,412.39, 2,159,121.35 and 374,452.74
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Solution
The fourth proportional to 1,439,412.39, 2,159,121.35 and 374,452.74 is: 561,679.83
Step by Step Solution
- Step 1: Write the proportion equation
1,439,412.39 : 2,159,121.35 = 374,452.74 : x - Step 2: Convert to fraction form
1,439,412.39/2,159,121.35 = 374,452.74/x - Step 3: Cross multiply
1,439,412.39x = 2,159,121.35 × 374,452.74 - Step 4: Simplify right side
1,439,412.39x = 808,488,906,436.13 - Step 5: Solve for x
x = 808,488,906,436.13/1,439,412.39 - Step 6: Final answer
x = 561,679.83
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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.