Finding the Fourth Proportional to 4,115,871.30, 6,174,040.23 and 1,276,387.14
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Solution
The fourth proportional to 4,115,871.30, 6,174,040.23 and 1,276,387.14 is: 1,914,653.05
Step by Step Solution
- Step 1: Write the proportion equation
4,115,871.30 : 6,174,040.23 = 1,276,387.14 : x - Step 2: Convert to fraction form
4,115,871.30/6,174,040.23 = 1,276,387.14/x - Step 3: Cross multiply
4,115,871.30x = 6,174,040.23 × 1,276,387.14 - Step 4: Simplify right side
4,115,871.30x = 7,880,465,551,414.64 - Step 5: Solve for x
x = 7,880,465,551,414.64/4,115,871.30 - Step 6: Final answer
x = 1,914,653.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.