Finding the Fourth Proportional to 2,387,261.76, 3,581,529.12 and 871,084.32
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Solution
The fourth proportional to 2,387,261.76, 3,581,529.12 and 871,084.32 is: 1,306,858.72
Step by Step Solution
- Step 1: Write the proportion equation
2,387,261.76 : 3,581,529.12 = 871,084.32 : x - Step 2: Convert to fraction form
2,387,261.76/3,581,529.12 = 871,084.32/x - Step 3: Cross multiply
2,387,261.76x = 3,581,529.12 × 871,084.32 - Step 4: Simplify right side
2,387,261.76x = 3,119,813,858,055.40 - Step 5: Solve for x
x = 3,119,813,858,055.40/2,387,261.76 - Step 6: Final answer
x = 1,306,858.72
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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.