Finding the Fourth Proportional to 2,728,813.19, 4,092,334.07 and 906,688.79
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Solution
The fourth proportional to 2,728,813.19, 4,092,334.07 and 906,688.79 is: 1,359,738.89
Step by Step Solution
- Step 1: Write the proportion equation
2,728,813.19 : 4,092,334.07 = 906,688.79 : x - Step 2: Convert to fraction form
2,728,813.19/4,092,334.07 = 906,688.79/x - Step 3: Cross multiply
2,728,813.19x = 4,092,334.07 × 906,688.79 - Step 4: Simplify right side
2,728,813.19x = 3,710,473,401,208.96 - Step 5: Solve for x
x = 3,710,473,401,208.96/2,728,813.19 - Step 6: Final answer
x = 1,359,738.89
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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.