Finding the Fourth Proportional to 1,775,389.44, 2,663,103.60 and 513,228
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Solution
The fourth proportional to 1,775,389.44, 2,663,103.60 and 513,228 is: 769,847.62
Step by Step Solution
- Step 1: Write the proportion equation
1,775,389.44 : 2,663,103.60 = 513,228 : x - Step 2: Convert to fraction form
1,775,389.44/2,663,103.60 = 513,228/x - Step 3: Cross multiply
1,775,389.44x = 2,663,103.60 × 513,228 - Step 4: Simplify right side
1,775,389.44x = 1,366,779,334,420.80 - Step 5: Solve for x
x = 1,366,779,334,420.80/1,775,389.44 - Step 6: Final answer
x = 769,847.62
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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.