Finding the Fourth Proportional to 4,168,136.61, 6,251,330.12 and 1,175,620.77
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Solution
The fourth proportional to 4,168,136.61, 6,251,330.12 and 1,175,620.77 is: 1,763,184.42
Step by Step Solution
- Step 1: Write the proportion equation
4,168,136.61 : 6,251,330.12 = 1,175,620.77 : x - Step 2: Convert to fraction form
4,168,136.61/6,251,330.12 = 1,175,620.77/x - Step 3: Cross multiply
4,168,136.61x = 6,251,330.12 × 1,175,620.77 - Step 4: Simplify right side
4,168,136.61x = 7,349,193,523,320.49 - Step 5: Solve for x
x = 7,349,193,523,320.49/4,168,136.61 - Step 6: Final answer
x = 1,763,184.42
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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.