Finding the Fourth Proportional to 2,019,865.70, 3,025,651.35 and 1,646,617.70
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Solution
The fourth proportional to 2,019,865.70, 3,025,651.35 and 1,646,617.70 is: 2,466,545.70
Step by Step Solution
- Step 1: Write the proportion equation
2,019,865.70 : 3,025,651.35 = 1,646,617.70 : x - Step 2: Convert to fraction form
2,019,865.70/3,025,651.35 = 1,646,617.70/x - Step 3: Cross multiply
2,019,865.70x = 3,025,651.35 × 1,646,617.70 - Step 4: Simplify right side
2,019,865.70x = 4,982,091,066,938.89 - Step 5: Solve for x
x = 4,982,091,066,938.89/2,019,865.70 - Step 6: Final answer
x = 2,466,545.70
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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.