Finding the Fourth Proportional to 1,842,706.12, 2,542,899.88 and 1,026,891.84
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Solution
The fourth proportional to 1,842,706.12, 2,542,899.88 and 1,026,891.84 is: 1,417,091.48
Step by Step Solution
- Step 1: Write the proportion equation
1,842,706.12 : 2,542,899.88 = 1,026,891.84 : x - Step 2: Convert to fraction form
1,842,706.12/2,542,899.88 = 1,026,891.84/x - Step 3: Cross multiply
1,842,706.12x = 2,542,899.88 × 1,026,891.84 - Step 4: Simplify right side
1,842,706.12x = 2,611,283,136,708.98 - Step 5: Solve for x
x = 2,611,283,136,708.98/1,842,706.12 - Step 6: Final answer
x = 1,417,091.48
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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.