Finding the Fourth Proportional to 1,999,407.11, 2,759,175.74 and 1,081,635.98
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Solution
The fourth proportional to 1,999,407.11, 2,759,175.74 and 1,081,635.98 is: 1,492,654.37
Step by Step Solution
- Step 1: Write the proportion equation
1,999,407.11 : 2,759,175.74 = 1,081,635.98 : x - Step 2: Convert to fraction form
1,999,407.11/2,759,175.74 = 1,081,635.98/x - Step 3: Cross multiply
1,999,407.11x = 2,759,175.74 × 1,081,635.98 - Step 4: Simplify right side
1,999,407.11x = 2,984,423,744,435.34 - Step 5: Solve for x
x = 2,984,423,744,435.34/1,999,407.11 - Step 6: Final answer
x = 1,492,654.37
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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.