Finding the Fourth Proportional to 1,977,194.91, 2,728,619.96 and 1,117,791.39
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Solution
The fourth proportional to 1,977,194.91, 2,728,619.96 and 1,117,791.39 is: 1,542,603.55
Step by Step Solution
- Step 1: Write the proportion equation
1,977,194.91 : 2,728,619.96 = 1,117,791.39 : x - Step 2: Convert to fraction form
1,977,194.91/2,728,619.96 = 1,117,791.39/x - Step 3: Cross multiply
1,977,194.91x = 2,728,619.96 × 1,117,791.39 - Step 4: Simplify right side
1,977,194.91x = 3,050,027,892,281.19 - Step 5: Solve for x
x = 3,050,027,892,281.19/1,977,194.91 - Step 6: Final answer
x = 1,542,603.55
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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.