Finding the Fourth Proportional to 1,460,157.12, 2,014,995.60 and 815,586.48
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Solution
The fourth proportional to 1,460,157.12, 2,014,995.60 and 815,586.48 is: 1,125,497.49
Step by Step Solution
- Step 1: Write the proportion equation
1,460,157.12 : 2,014,995.60 = 815,586.48 : x - Step 2: Convert to fraction form
1,460,157.12/2,014,995.60 = 815,586.48/x - Step 3: Cross multiply
1,460,157.12x = 2,014,995.60 × 815,586.48 - Step 4: Simplify right side
1,460,157.12x = 1,643,403,168,619.49 - Step 5: Solve for x
x = 1,643,403,168,619.49/1,460,157.12 - Step 6: Final answer
x = 1,125,497.49
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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.