Finding the Fourth Proportional to 1,318,176.58, 1,977,264.88 and 419,614.42
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Solution
The fourth proportional to 1,318,176.58, 1,977,264.88 and 419,614.42 is: 629,421.63
Step by Step Solution
- Step 1: Write the proportion equation
1,318,176.58 : 1,977,264.88 = 419,614.42 : x - Step 2: Convert to fraction form
1,318,176.58/1,977,264.88 = 419,614.42/x - Step 3: Cross multiply
1,318,176.58x = 1,977,264.88 × 419,614.42 - Step 4: Simplify right side
1,318,176.58x = 829,688,855,807.57 - Step 5: Solve for x
x = 829,688,855,807.57/1,318,176.58 - Step 6: Final answer
x = 629,421.63
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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.