Finding the Fourth Proportional to 2,479,672.80, 3,712,510.80 and 2,409,688.80
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Solution
The fourth proportional to 2,479,672.80, 3,712,510.80 and 2,409,688.80 is: 3,607,732.32
Step by Step Solution
- Step 1: Write the proportion equation
2,479,672.80 : 3,712,510.80 = 2,409,688.80 : x - Step 2: Convert to fraction form
2,479,672.80/3,712,510.80 = 2,409,688.80/x - Step 3: Cross multiply
2,479,672.80x = 3,712,510.80 × 2,409,688.80 - Step 4: Simplify right side
2,479,672.80x = 8,945,995,694,639.04 - Step 5: Solve for x
x = 8,945,995,694,639.04/2,479,672.80 - Step 6: Final answer
x = 3,607,732.32
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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.