Finding the Fourth Proportional to 2,399,728.56, 3,312,459.36 and 1,381,539.12
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Solution
The fourth proportional to 2,399,728.56, 3,312,459.36 and 1,381,539.12 is: 1,907,004.09
Step by Step Solution
- Step 1: Write the proportion equation
2,399,728.56 : 3,312,459.36 = 1,381,539.12 : x - Step 2: Convert to fraction form
2,399,728.56/3,312,459.36 = 1,381,539.12/x - Step 3: Cross multiply
2,399,728.56x = 3,312,459.36 × 1,381,539.12 - Step 4: Simplify right side
2,399,728.56x = 4,576,292,189,250.16 - Step 5: Solve for x
x = 4,576,292,189,250.16/2,399,728.56 - Step 6: Final answer
x = 1,907,004.09
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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.