Finding the Fourth Proportional to 1,999,734.19, 2,759,613.54 and 1,081,943.19
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Solution
The fourth proportional to 1,999,734.19, 2,759,613.54 and 1,081,943.19 is: 1,493,070.98
Step by Step Solution
- Step 1: Write the proportion equation
1,999,734.19 : 2,759,613.54 = 1,081,943.19 : x - Step 2: Convert to fraction form
1,999,734.19/2,759,613.54 = 1,081,943.19/x - Step 3: Cross multiply
1,999,734.19x = 2,759,613.54 × 1,081,943.19 - Step 4: Simplify right side
1,999,734.19x = 2,985,745,069,735.76 - Step 5: Solve for x
x = 2,985,745,069,735.76/1,999,734.19 - Step 6: Final answer
x = 1,493,070.98
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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.