Finding the Fourth Proportional to 1,513,639.46, 2,089,328.62 and 901,984.09
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Solution
The fourth proportional to 1,513,639.46, 2,089,328.62 and 901,984.09 is: 1,245,039.67
Step by Step Solution
- Step 1: Write the proportion equation
1,513,639.46 : 2,089,328.62 = 901,984.09 : x - Step 2: Convert to fraction form
1,513,639.46/2,089,328.62 = 901,984.09/x - Step 3: Cross multiply
1,513,639.46x = 2,089,328.62 × 901,984.09 - Step 4: Simplify right side
1,513,639.46x = 1,884,541,174,021.66 - Step 5: Solve for x
x = 1,884,541,174,021.66/1,513,639.46 - Step 6: Final answer
x = 1,245,039.67
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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.