Finding the Fourth Proportional to 2,256,453.60, 3,114,181.92 and 1,289,362.08
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Solution
The fourth proportional to 2,256,453.60, 3,114,181.92 and 1,289,362.08 is: 1,779,477.35
Step by Step Solution
- Step 1: Write the proportion equation
2,256,453.60 : 3,114,181.92 = 1,289,362.08 : x - Step 2: Convert to fraction form
2,256,453.60/3,114,181.92 = 1,289,362.08/x - Step 3: Cross multiply
2,256,453.60x = 3,114,181.92 × 1,289,362.08 - Step 4: Simplify right side
2,256,453.60x = 4,015,308,077,869.59 - Step 5: Solve for x
x = 4,015,308,077,869.59/2,256,453.60 - Step 6: Final answer
x = 1,779,477.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.