Finding the Fourth Proportional to 1,405,074.84, 2,106,757.98 and 551,123.16
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Solution
The fourth proportional to 1,405,074.84, 2,106,757.98 and 551,123.16 is: 826,349.66
Step by Step Solution
- Step 1: Write the proportion equation
1,405,074.84 : 2,106,757.98 = 551,123.16 : x - Step 2: Convert to fraction form
1,405,074.84/2,106,757.98 = 551,123.16/x - Step 3: Cross multiply
1,405,074.84x = 2,106,757.98 × 551,123.16 - Step 4: Simplify right side
1,405,074.84x = 1,161,083,115,292.82 - Step 5: Solve for x
x = 1,161,083,115,292.82/1,405,074.84 - Step 6: Final answer
x = 826,349.66
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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.