Finding the Fourth Proportional to 2,832,678.99, 3,908,974.82 and 1,608,980.81
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Solution
The fourth proportional to 2,832,678.99, 3,908,974.82 and 1,608,980.81 is: 2,220,324.11
Step by Step Solution
- Step 1: Write the proportion equation
2,832,678.99 : 3,908,974.82 = 1,608,980.81 : x - Step 2: Convert to fraction form
2,832,678.99/3,908,974.82 = 1,608,980.81/x - Step 3: Cross multiply
2,832,678.99x = 3,908,974.82 × 1,608,980.81 - Step 4: Simplify right side
2,832,678.99x = 6,289,465,444,563.43 - Step 5: Solve for x
x = 6,289,465,444,563.43/2,832,678.99 - Step 6: Final answer
x = 2,220,324.11
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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.