Finding the Fourth Proportional to 2,572,794.23, 3,550,674.09 and 1,427,243.63
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Solution
The fourth proportional to 2,572,794.23, 3,550,674.09 and 1,427,243.63 is: 1,969,717.17
Step by Step Solution
- Step 1: Write the proportion equation
2,572,794.23 : 3,550,674.09 = 1,427,243.63 : x - Step 2: Convert to fraction form
2,572,794.23/3,550,674.09 = 1,427,243.63/x - Step 3: Cross multiply
2,572,794.23x = 3,550,674.09 × 1,427,243.63 - Step 4: Simplify right side
2,572,794.23x = 5,067,676,977,158.55 - Step 5: Solve for x
x = 5,067,676,977,158.55/2,572,794.23 - Step 6: Final answer
x = 1,969,717.17
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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.