Finding the Fourth Proportional to 6,904,152.36, 9,531,817.56 and 6,138,090
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Solution
The fourth proportional to 6,904,152.36, 9,531,817.56 and 6,138,090 is: 8,474,197.99
Step by Step Solution
- Step 1: Write the proportion equation
6,904,152.36 : 9,531,817.56 = 6,138,090 : x - Step 2: Convert to fraction form
6,904,152.36/9,531,817.56 = 6,138,090/x - Step 3: Cross multiply
6,904,152.36x = 9,531,817.56 × 6,138,090 - Step 4: Simplify right side
6,904,152.36x = 58,507,154,046,860.41 - Step 5: Solve for x
x = 58,507,154,046,860.41/6,904,152.36 - Step 6: Final answer
x = 8,474,197.99
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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.