Finding the Fourth Proportional to 2,840,790.72, 4,261,202.16 and 947,526.96
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Solution
The fourth proportional to 2,840,790.72, 4,261,202.16 and 947,526.96 is: 1,421,295.80
Step by Step Solution
- Step 1: Write the proportion equation
2,840,790.72 : 4,261,202.16 = 947,526.96 : x - Step 2: Convert to fraction form
2,840,790.72/4,261,202.16 = 947,526.96/x - Step 3: Cross multiply
2,840,790.72x = 4,261,202.16 × 947,526.96 - Step 4: Simplify right side
2,840,790.72x = 4,037,603,928,610.23 - Step 5: Solve for x
x = 4,037,603,928,610.23/2,840,790.72 - Step 6: Final answer
x = 1,421,295.80
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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.