Finding the Fourth Proportional to 1,109,847.18, 1,664,980.65 and 351,879.42
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Solution
The fourth proportional to 1,109,847.18, 1,664,980.65 and 351,879.42 is: 527,885.67
Step by Step Solution
- Step 1: Write the proportion equation
1,109,847.18 : 1,664,980.65 = 351,879.42 : x - Step 2: Convert to fraction form
1,109,847.18/1,664,980.65 = 351,879.42/x - Step 3: Cross multiply
1,109,847.18x = 1,664,980.65 × 351,879.42 - Step 4: Simplify right side
1,109,847.18x = 585,872,425,433.22 - Step 5: Solve for x
x = 585,872,425,433.22/1,109,847.18 - Step 6: Final answer
x = 527,885.67
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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.