Finding the Fourth Proportional to 1,542,625.52, 2,315,430.90 and 744,468.92
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Solution
The fourth proportional to 1,542,625.52, 2,315,430.90 and 744,468.92 is: 1,117,423.72
Step by Step Solution
- Step 1: Write the proportion equation
1,542,625.52 : 2,315,430.90 = 744,468.92 : x - Step 2: Convert to fraction form
1,542,625.52/2,315,430.90 = 744,468.92/x - Step 3: Cross multiply
1,542,625.52x = 2,315,430.90 × 744,468.92 - Step 4: Simplify right side
1,542,625.52x = 1,723,766,341,457.63 - Step 5: Solve for x
x = 1,723,766,341,457.63/1,542,625.52 - Step 6: Final answer
x = 1,117,423.72
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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.