Finding the Fourth Proportional to 3,692,910.64, 5,097,066.99 and 2,165,509.84
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Solution
The fourth proportional to 3,692,910.64, 5,097,066.99 and 2,165,509.84 is: 2,988,902.19
Step by Step Solution
- Step 1: Write the proportion equation
3,692,910.64 : 5,097,066.99 = 2,165,509.84 : x - Step 2: Convert to fraction form
3,692,910.64/5,097,066.99 = 2,165,509.84/x - Step 3: Cross multiply
3,692,910.64x = 5,097,066.99 × 2,165,509.84 - Step 4: Simplify right side
3,692,910.64x = 11,037,748,701,120.85 - Step 5: Solve for x
x = 11,037,748,701,120.85/3,692,910.64 - Step 6: Final answer
x = 2,988,902.19
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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.