Finding the Fourth Proportional to 1,542,109.83, 2,312,720.87 and 531,190.95
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Solution
The fourth proportional to 1,542,109.83, 2,312,720.87 and 531,190.95 is: 796,633.53
Step by Step Solution
- Step 1: Write the proportion equation
1,542,109.83 : 2,312,720.87 = 531,190.95 : x - Step 2: Convert to fraction form
1,542,109.83/2,312,720.87 = 531,190.95/x - Step 3: Cross multiply
1,542,109.83x = 2,312,720.87 × 531,190.95 - Step 4: Simplify right side
1,542,109.83x = 1,228,496,393,364.17 - Step 5: Solve for x
x = 1,228,496,393,364.17/1,542,109.83 - Step 6: Final answer
x = 796,633.53
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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.