Finding the Fourth Proportional to 2,938,211.74, 4,407,199.11 and 1,498,863.57
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Solution
The fourth proportional to 2,938,211.74, 4,407,199.11 and 1,498,863.57 is: 2,248,234.90
Step by Step Solution
- Step 1: Write the proportion equation
2,938,211.74 : 4,407,199.11 = 1,498,863.57 : x - Step 2: Convert to fraction form
2,938,211.74/4,407,199.11 = 1,498,863.57/x - Step 3: Cross multiply
2,938,211.74x = 4,407,199.11 × 1,498,863.57 - Step 4: Simplify right side
2,938,211.74x = 6,605,790,191,715.42 - Step 5: Solve for x
x = 6,605,790,191,715.42/2,938,211.74 - Step 6: Final answer
x = 2,248,234.90
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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.