Finding the Fourth Proportional to 2,957,742.09, 4,081,686.81 and 1,599,615.09
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Solution
The fourth proportional to 2,957,742.09, 4,081,686.81 and 1,599,615.09 is: 2,207,470.30
Step by Step Solution
- Step 1: Write the proportion equation
2,957,742.09 : 4,081,686.81 = 1,599,615.09 : x - Step 2: Convert to fraction form
2,957,742.09/4,081,686.81 = 1,599,615.09/x - Step 3: Cross multiply
2,957,742.09x = 4,081,686.81 × 1,599,615.09 - Step 4: Simplify right side
2,957,742.09x = 6,529,127,813,929.96 - Step 5: Solve for x
x = 6,529,127,813,929.96/2,957,742.09 - Step 6: Final answer
x = 2,207,470.30
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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.