Finding the Fourth Proportional to 1,520,375.26, 2,098,027.41 and 831,909.77
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Solution
The fourth proportional to 1,520,375.26, 2,098,027.41 and 831,909.77 is: 1,147,985.99
Step by Step Solution
- Step 1: Write the proportion equation
1,520,375.26 : 2,098,027.41 = 831,909.77 : x - Step 2: Convert to fraction form
1,520,375.26/2,098,027.41 = 831,909.77/x - Step 3: Cross multiply
1,520,375.26x = 2,098,027.41 × 831,909.77 - Step 4: Simplify right side
1,520,375.26x = 1,745,369,500,106.80 - Step 5: Solve for x
x = 1,745,369,500,106.80/1,520,375.26 - Step 6: Final answer
x = 1,147,985.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.