Finding the Fourth Proportional to 5,517,323.40, 8,275,985.10 and 1,528,235.40
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Solution
The fourth proportional to 5,517,323.40, 8,275,985.10 and 1,528,235.40 is: 2,292,353.10
Step by Step Solution
- Step 1: Write the proportion equation
5,517,323.40 : 8,275,985.10 = 1,528,235.40 : x - Step 2: Convert to fraction form
5,517,323.40/8,275,985.10 = 1,528,235.40/x - Step 3: Cross multiply
5,517,323.40x = 8,275,985.10 × 1,528,235.40 - Step 4: Simplify right side
5,517,323.40x = 12,647,653,399,692.54 - Step 5: Solve for x
x = 12,647,653,399,692.54/5,517,323.40 - Step 6: Final answer
x = 2,292,353.10
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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.