Finding the Fourth Proportional to 3,791,993.19, 5,232,974.33 and 2,049,658.99
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Solution
The fourth proportional to 3,791,993.19, 5,232,974.33 and 2,049,658.99 is: 2,828,542.22
Step by Step Solution
- Step 1: Write the proportion equation
3,791,993.19 : 5,232,974.33 = 2,049,658.99 : x - Step 2: Convert to fraction form
3,791,993.19/5,232,974.33 = 2,049,658.99/x - Step 3: Cross multiply
3,791,993.19x = 5,232,974.33 × 2,049,658.99 - Step 4: Simplify right side
3,791,993.19x = 10,725,812,843,510.56 - Step 5: Solve for x
x = 10,725,812,843,510.56/3,791,993.19 - Step 6: Final answer
x = 2,828,542.22
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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.