Finding the Fourth Proportional to 1,642,516.74, 2,463,775.02 and 618,039.54
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Solution
The fourth proportional to 1,642,516.74, 2,463,775.02 and 618,039.54 is: 927,059.28
Step by Step Solution
- Step 1: Write the proportion equation
1,642,516.74 : 2,463,775.02 = 618,039.54 : x - Step 2: Convert to fraction form
1,642,516.74/2,463,775.02 = 618,039.54/x - Step 3: Cross multiply
1,642,516.74x = 2,463,775.02 × 618,039.54 - Step 4: Simplify right side
1,642,516.74x = 1,522,710,380,024.29 - Step 5: Solve for x
x = 1,522,710,380,024.29/1,642,516.74 - Step 6: Final answer
x = 927,059.28
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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.