Finding the Fourth Proportional to 5,367,534.08, 7,407,214.40 and 2,920,144.59
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Solution
The fourth proportional to 5,367,534.08, 7,407,214.40 and 2,920,144.59 is: 4,029,808.99
Step by Step Solution
- Step 1: Write the proportion equation
5,367,534.08 : 7,407,214.40 = 2,920,144.59 : x - Step 2: Convert to fraction form
5,367,534.08/7,407,214.40 = 2,920,144.59/x - Step 3: Cross multiply
5,367,534.08x = 7,407,214.40 × 2,920,144.59 - Step 4: Simplify right side
5,367,534.08x = 21,630,137,082,948.49 - Step 5: Solve for x
x = 21,630,137,082,948.49/5,367,534.08 - Step 6: Final answer
x = 4,029,808.99
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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.