Finding the Fourth Proportional to 2,574,341.82, 3,551,115.20 and 1,605,789.99
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Solution
The fourth proportional to 2,574,341.82, 3,551,115.20 and 1,605,789.99 is: 2,215,069.18
Step by Step Solution
- Step 1: Write the proportion equation
2,574,341.82 : 3,551,115.20 = 1,605,789.99 : x - Step 2: Convert to fraction form
2,574,341.82/3,551,115.20 = 1,605,789.99/x - Step 3: Cross multiply
2,574,341.82x = 3,551,115.20 × 1,605,789.99 - Step 4: Simplify right side
2,574,341.82x = 5,702,345,233,467.90 - Step 5: Solve for x
x = 5,702,345,233,467.90/2,574,341.82 - Step 6: Final answer
x = 2,215,069.18
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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.