Finding the Fourth Proportional to 2,431,639.42, 3,643,852.17 and 990,562.41
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Solution
The fourth proportional to 2,431,639.42, 3,643,852.17 and 990,562.41 is: 1,484,374.27
Step by Step Solution
- Step 1: Write the proportion equation
2,431,639.42 : 3,643,852.17 = 990,562.41 : x - Step 2: Convert to fraction form
2,431,639.42/3,643,852.17 = 990,562.41/x - Step 3: Cross multiply
2,431,639.42x = 3,643,852.17 × 990,562.41 - Step 4: Simplify right side
2,431,639.42x = 3,609,462,991,162.36 - Step 5: Solve for x
x = 3,609,462,991,162.36/2,431,639.42 - Step 6: Final answer
x = 1,484,374.27
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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.