Finding the Fourth Proportional to 1,635,147.33, 2,256,485.74 and 909,982.81
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Solution
The fourth proportional to 1,635,147.33, 2,256,485.74 and 909,982.81 is: 1,255,766.50
Step by Step Solution
- Step 1: Write the proportion equation
1,635,147.33 : 2,256,485.74 = 909,982.81 : x - Step 2: Convert to fraction form
1,635,147.33/2,256,485.74 = 909,982.81/x - Step 3: Cross multiply
1,635,147.33x = 2,256,485.74 × 909,982.81 - Step 4: Simplify right side
1,635,147.33x = 2,053,363,234,410.13 - Step 5: Solve for x
x = 2,053,363,234,410.13/1,635,147.33 - Step 6: Final answer
x = 1,255,766.50
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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.