Finding the Fourth Proportional to 3,459,409.76, 5,189,133.36 and 2,268,871.40
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Solution
The fourth proportional to 3,459,409.76, 5,189,133.36 and 2,268,871.40 is: 3,403,319.38
Step by Step Solution
- Step 1: Write the proportion equation
3,459,409.76 : 5,189,133.36 = 2,268,871.40 : x - Step 2: Convert to fraction form
3,459,409.76/5,189,133.36 = 2,268,871.40/x - Step 3: Cross multiply
3,459,409.76x = 5,189,133.36 × 2,268,871.40 - Step 4: Simplify right side
3,459,409.76x = 11,773,476,271,289.90 - Step 5: Solve for x
x = 11,773,476,271,289.90/3,459,409.76 - Step 6: Final answer
x = 3,403,319.38
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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.