Finding the Fourth Proportional to 1,902,223.80, 2,853,331.86 and 462,895.80
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Solution
The fourth proportional to 1,902,223.80, 2,853,331.86 and 462,895.80 is: 694,342.77
Step by Step Solution
- Step 1: Write the proportion equation
1,902,223.80 : 2,853,331.86 = 462,895.80 : x - Step 2: Convert to fraction form
1,902,223.80/2,853,331.86 = 462,895.80/x - Step 3: Cross multiply
1,902,223.80x = 2,853,331.86 × 462,895.80 - Step 4: Simplify right side
1,902,223.80x = 1,320,795,334,000.19 - Step 5: Solve for x
x = 1,320,795,334,000.19/1,902,223.80 - Step 6: Final answer
x = 694,342.77
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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.