Finding the Fourth Proportional to 3,946,543.80, 5,919,815.70 and 2,240,027.70
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Solution
The fourth proportional to 3,946,543.80, 5,919,815.70 and 2,240,027.70 is: 3,360,041.55
Step by Step Solution
- Step 1: Write the proportion equation
3,946,543.80 : 5,919,815.70 = 2,240,027.70 : x - Step 2: Convert to fraction form
3,946,543.80/5,919,815.70 = 2,240,027.70/x - Step 3: Cross multiply
3,946,543.80x = 5,919,815.70 × 2,240,027.70 - Step 4: Simplify right side
3,946,543.80x = 13,260,551,146,894.89 - Step 5: Solve for x
x = 13,260,551,146,894.89/3,946,543.80 - Step 6: Final answer
x = 3,360,041.55
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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.