Finding the Fourth Proportional to 1,577,188.96, 2,177,247.36 and 923,724.29
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Solution
The fourth proportional to 1,577,188.96, 2,177,247.36 and 923,724.29 is: 1,275,165.07
Step by Step Solution
- Step 1: Write the proportion equation
1,577,188.96 : 2,177,247.36 = 923,724.29 : x - Step 2: Convert to fraction form
1,577,188.96/2,177,247.36 = 923,724.29/x - Step 3: Cross multiply
1,577,188.96x = 2,177,247.36 × 923,724.29 - Step 4: Simplify right side
1,577,188.96x = 2,011,176,271,770.37 - Step 5: Solve for x
x = 2,011,176,271,770.37/1,577,188.96 - Step 6: Final answer
x = 1,275,165.07
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1.5x scale
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.