Finding the Fourth Proportional to 2,759,956.74, 3,808,740.69 and 1,536,236.28
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Solution
The fourth proportional to 2,759,956.74, 3,808,740.69 and 1,536,236.28 is: 2,120,006.28
Step by Step Solution
- Step 1: Write the proportion equation
2,759,956.74 : 3,808,740.69 = 1,536,236.28 : x - Step 2: Convert to fraction form
2,759,956.74/3,808,740.69 = 1,536,236.28/x - Step 3: Cross multiply
2,759,956.74x = 3,808,740.69 × 1,536,236.28 - Step 4: Simplify right side
2,759,956.74x = 5,851,125,629,090.23 - Step 5: Solve for x
x = 5,851,125,629,090.23/2,759,956.74 - Step 6: Final answer
x = 2,120,006.28
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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.