Finding the Fourth Proportional to 1,601,518.97, 2,207,402.66 and 1,214,206.13
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Solution
The fourth proportional to 1,601,518.97, 2,207,402.66 and 1,214,206.13 is: 1,673,562.34
Step by Step Solution
- Step 1: Write the proportion equation
1,601,518.97 : 2,207,402.66 = 1,214,206.13 : x - Step 2: Convert to fraction form
1,601,518.97/2,207,402.66 = 1,214,206.13/x - Step 3: Cross multiply
1,601,518.97x = 2,207,402.66 × 1,214,206.13 - Step 4: Simplify right side
1,601,518.97x = 2,680,241,833,148.81 - Step 5: Solve for x
x = 2,680,241,833,148.81/1,601,518.97 - Step 6: Final answer
x = 1,673,562.34
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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.