Finding the Fourth Proportional to 3,756,144.15, 5,183,479.26 and 2,124,516.42
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Solution
The fourth proportional to 3,756,144.15, 5,183,479.26 and 2,124,516.42 is: 2,931,832.85
Step by Step Solution
- Step 1: Write the proportion equation
3,756,144.15 : 5,183,479.26 = 2,124,516.42 : x - Step 2: Convert to fraction form
3,756,144.15/5,183,479.26 = 2,124,516.42/x - Step 3: Cross multiply
3,756,144.15x = 5,183,479.26 × 2,124,516.42 - Step 4: Simplify right side
3,756,144.15x = 11,012,386,800,599.45 - Step 5: Solve for x
x = 11,012,386,800,599.45/3,756,144.15 - Step 6: Final answer
x = 2,931,832.85
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1.5x scale
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.