Finding the Fourth Proportional to 2,030,555.92, 2,801,811.99 and 1,158,992.68
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Solution
The fourth proportional to 2,030,555.92, 2,801,811.99 and 1,158,992.68 is: 1,599,207.17
Step by Step Solution
- Step 1: Write the proportion equation
2,030,555.92 : 2,801,811.99 = 1,158,992.68 : x - Step 2: Convert to fraction form
2,030,555.92/2,801,811.99 = 1,158,992.68/x - Step 3: Cross multiply
2,030,555.92x = 2,801,811.99 × 1,158,992.68 - Step 4: Simplify right side
2,030,555.92x = 3,247,279,587,146.23 - Step 5: Solve for x
x = 3,247,279,587,146.23/2,030,555.92 - Step 6: Final answer
x = 1,599,207.17
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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.