Finding the Fourth Proportional to 2,772,028.40, 4,157,653.80 and 878,961.20
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Solution
The fourth proportional to 2,772,028.40, 4,157,653.80 and 878,961.20 is: 1,318,318.52
Step by Step Solution
- Step 1: Write the proportion equation
2,772,028.40 : 4,157,653.80 = 878,961.20 : x - Step 2: Convert to fraction form
2,772,028.40/4,157,653.80 = 878,961.20/x - Step 3: Cross multiply
2,772,028.40x = 4,157,653.80 × 878,961.20 - Step 4: Simplify right side
2,772,028.40x = 3,654,416,373,232.56 - Step 5: Solve for x
x = 3,654,416,373,232.56/2,772,028.40 - Step 6: Final answer
x = 1,318,318.52
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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.