Finding the Fourth Proportional to 3,864,775.66, 5,771,138.26 and 3,156,209.26
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Solution
The fourth proportional to 3,864,775.66, 5,771,138.26 and 3,156,209.26 is: 4,713,060.12
Step by Step Solution
- Step 1: Write the proportion equation
3,864,775.66 : 5,771,138.26 = 3,156,209.26 : x - Step 2: Convert to fraction form
3,864,775.66/5,771,138.26 = 3,156,209.26/x - Step 3: Cross multiply
3,864,775.66x = 5,771,138.26 × 3,156,209.26 - Step 4: Simplify right side
3,864,775.66x = 18,214,920,016,952.29 - Step 5: Solve for x
x = 18,214,920,016,952.29/3,864,775.66 - Step 6: Final answer
x = 4,713,060.12
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.