Finding the Fourth Proportional to 2,673,867.38, 3,689,943.05 and 1,527,944.99
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Solution
The fourth proportional to 2,673,867.38, 3,689,943.05 and 1,527,944.99 is: 2,108,567.55
Step by Step Solution
- Step 1: Write the proportion equation
2,673,867.38 : 3,689,943.05 = 1,527,944.99 : x - Step 2: Convert to fraction form
2,673,867.38/3,689,943.05 = 1,527,944.99/x - Step 3: Cross multiply
2,673,867.38x = 3,689,943.05 × 1,527,944.99 - Step 4: Simplify right side
2,673,867.38x = 5,638,029,982,002.97 - Step 5: Solve for x
x = 5,638,029,982,002.97/2,673,867.38 - Step 6: Final answer
x = 2,108,567.55
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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.