Finding the Fourth Proportional to 4,914,559.09, 7,371,340.35 and 1,319,858.88
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Solution
The fourth proportional to 4,914,559.09, 7,371,340.35 and 1,319,858.88 is: 1,979,654.50
Step by Step Solution
- Step 1: Write the proportion equation
4,914,559.09 : 7,371,340.35 = 1,319,858.88 : x - Step 2: Convert to fraction form
4,914,559.09/7,371,340.35 = 1,319,858.88/x - Step 3: Cross multiply
4,914,559.09x = 7,371,340.35 × 1,319,858.88 - Step 4: Simplify right side
4,914,559.09x = 9,729,129,018,449.81 - Step 5: Solve for x
x = 9,729,129,018,449.81/4,914,559.09 - Step 6: Final answer
x = 1,979,654.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.