Finding the Fourth Proportional to 1,411,559.60, 2,116,149.12 and 612,239.13
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Solution
The fourth proportional to 1,411,559.60, 2,116,149.12 and 612,239.13 is: 917,842.44
Step by Step Solution
- Step 1: Write the proportion equation
1,411,559.60 : 2,116,149.12 = 612,239.13 : x - Step 2: Convert to fraction form
1,411,559.60/2,116,149.12 = 612,239.13/x - Step 3: Cross multiply
1,411,559.60x = 2,116,149.12 × 612,239.13 - Step 4: Simplify right side
1,411,559.60x = 1,295,589,296,179.07 - Step 5: Solve for x
x = 1,295,589,296,179.07/1,411,559.60 - Step 6: Final answer
x = 917,842.44
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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.