Finding the Fourth Proportional to 1,934,476.62, 2,669,365.77 and 1,118,556.84
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Solution
The fourth proportional to 1,934,476.62, 2,669,365.77 and 1,118,556.84 is: 1,543,485.88
Step by Step Solution
- Step 1: Write the proportion equation
1,934,476.62 : 2,669,365.77 = 1,118,556.84 : x - Step 2: Convert to fraction form
1,934,476.62/2,669,365.77 = 1,118,556.84/x - Step 3: Cross multiply
1,934,476.62x = 2,669,365.77 × 1,118,556.84 - Step 4: Simplify right side
1,934,476.62x = 2,985,837,340,495.37 - Step 5: Solve for x
x = 2,985,837,340,495.37/1,934,476.62 - Step 6: Final answer
x = 1,543,485.88
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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.