Finding the Fourth Proportional to 6,238,706.94, 8,609,819.60 and 3,485,409.18
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Solution
The fourth proportional to 6,238,706.94, 8,609,819.60 and 3,485,409.18 is: 4,810,090.39
Step by Step Solution
- Step 1: Write the proportion equation
6,238,706.94 : 8,609,819.60 = 3,485,409.18 : x - Step 2: Convert to fraction form
6,238,706.94/8,609,819.60 = 3,485,409.18/x - Step 3: Cross multiply
6,238,706.94x = 8,609,819.60 × 3,485,409.18 - Step 4: Simplify right side
6,238,706.94x = 30,008,744,271,983.93 - Step 5: Solve for x
x = 30,008,744,271,983.93/6,238,706.94 - Step 6: Final answer
x = 4,810,090.39
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1.5x scale
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.