Finding the Fourth Proportional to 4,914,636.08, 6,782,592.12 and 2,739,883.28
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Solution
The fourth proportional to 4,914,636.08, 6,782,592.12 and 2,739,883.28 is: 3,781,258.76
Step by Step Solution
- Step 1: Write the proportion equation
4,914,636.08 : 6,782,592.12 = 2,739,883.28 : x - Step 2: Convert to fraction form
4,914,636.08/6,782,592.12 = 2,739,883.28/x - Step 3: Cross multiply
4,914,636.08x = 6,782,592.12 × 2,739,883.28 - Step 4: Simplify right side
4,914,636.08x = 18,583,510,744,647.75 - Step 5: Solve for x
x = 18,583,510,744,647.75/4,914,636.08 - Step 6: Final answer
x = 3,781,258.76
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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.