Finding the Fourth Proportional to 4,138,468.08, 6,207,964.44 and 1,298,692.32
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Solution
The fourth proportional to 4,138,468.08, 6,207,964.44 and 1,298,692.32 is: 1,948,120.80
Step by Step Solution
- Step 1: Write the proportion equation
4,138,468.08 : 6,207,964.44 = 1,298,692.32 : x - Step 2: Convert to fraction form
4,138,468.08/6,207,964.44 = 1,298,692.32/x - Step 3: Cross multiply
4,138,468.08x = 6,207,964.44 × 1,298,692.32 - Step 4: Simplify right side
4,138,468.08x = 8,062,235,741,061.10 - Step 5: Solve for x
x = 8,062,235,741,061.10/4,138,468.08 - Step 6: Final answer
x = 1,948,120.80
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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.