Finding the Fourth Proportional to 1,606,471.05, 2,413,643.19 and 1,207,890.30
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Solution
The fourth proportional to 1,606,471.05, 2,413,643.19 and 1,207,890.30 is: 1,814,795.35
Step by Step Solution
- Step 1: Write the proportion equation
1,606,471.05 : 2,413,643.19 = 1,207,890.30 : x - Step 2: Convert to fraction form
1,606,471.05/2,413,643.19 = 1,207,890.30/x - Step 3: Cross multiply
1,606,471.05x = 2,413,643.19 × 1,207,890.30 - Step 4: Simplify right side
1,606,471.05x = 2,915,416,196,862.06 - Step 5: Solve for x
x = 2,915,416,196,862.06/1,606,471.05 - Step 6: Final answer
x = 1,814,795.35
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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.