Finding the Fourth Proportional to 1,738,729.98, 2,396,675.88 and 1,370,607.20
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Solution
The fourth proportional to 1,738,729.98, 2,396,675.88 and 1,370,607.20 is: 1,889,253.22
Step by Step Solution
- Step 1: Write the proportion equation
1,738,729.98 : 2,396,675.88 = 1,370,607.20 : x - Step 2: Convert to fraction form
1,738,729.98/2,396,675.88 = 1,370,607.20/x - Step 3: Cross multiply
1,738,729.98x = 2,396,675.88 × 1,370,607.20 - Step 4: Simplify right side
1,738,729.98x = 3,284,901,205,210.96 - Step 5: Solve for x
x = 3,284,901,205,210.96/1,738,729.98 - Step 6: Final answer
x = 1,889,253.22
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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.