Finding the Fourth Proportional to 1,701,431.64, 2,348,141.12 and 1,270,964.42
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Solution
The fourth proportional to 1,701,431.64, 2,348,141.12 and 1,270,964.42 is: 1,754,054.50
Step by Step Solution
- Step 1: Write the proportion equation
1,701,431.64 : 2,348,141.12 = 1,270,964.42 : x - Step 2: Convert to fraction form
1,701,431.64/2,348,141.12 = 1,270,964.42/x - Step 3: Cross multiply
1,701,431.64x = 2,348,141.12 × 1,270,964.42 - Step 4: Simplify right side
1,701,431.64x = 2,984,403,816,658.95 - Step 5: Solve for x
x = 2,984,403,816,658.95/1,701,431.64 - Step 6: Final answer
x = 1,754,054.50
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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.