Finding the Fourth Proportional to 2,601,207.66, 3,896,763.54 and 1,916,852.70
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Solution
The fourth proportional to 2,601,207.66, 3,896,763.54 and 1,916,852.70 is: 2,871,559.17
Step by Step Solution
- Step 1: Write the proportion equation
2,601,207.66 : 3,896,763.54 = 1,916,852.70 : x - Step 2: Convert to fraction form
2,601,207.66/3,896,763.54 = 1,916,852.70/x - Step 3: Cross multiply
2,601,207.66x = 3,896,763.54 × 1,916,852.70 - Step 4: Simplify right side
2,601,207.66x = 7,469,521,712,910.56 - Step 5: Solve for x
x = 7,469,521,712,910.56/2,601,207.66 - Step 6: Final answer
x = 2,871,559.17
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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.