Finding the Fourth Proportional to 5,560,938.80, 8,341,408.20 and 4,366,545.20
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Solution
The fourth proportional to 5,560,938.80, 8,341,408.20 and 4,366,545.20 is: 6,549,817.80
Step by Step Solution
- Step 1: Write the proportion equation
5,560,938.80 : 8,341,408.20 = 4,366,545.20 : x - Step 2: Convert to fraction form
5,560,938.80/8,341,408.20 = 4,366,545.20/x - Step 3: Cross multiply
5,560,938.80x = 8,341,408.20 × 4,366,545.20 - Step 4: Simplify right side
5,560,938.80x = 36,423,135,936,950.64 - Step 5: Solve for x
x = 36,423,135,936,950.64/5,560,938.80 - Step 6: Final answer
x = 6,549,817.80
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1.5x scale
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.