Finding the Fourth Proportional to 1,691,476.57, 2,539,380.01 and 1,453,115.44
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Solution
The fourth proportional to 1,691,476.57, 2,539,380.01 and 1,453,115.44 is: 2,181,533.20
Step by Step Solution
- Step 1: Write the proportion equation
1,691,476.57 : 2,539,380.01 = 1,453,115.44 : x - Step 2: Convert to fraction form
1,691,476.57/2,539,380.01 = 1,453,115.44/x - Step 3: Cross multiply
1,691,476.57x = 2,539,380.01 × 1,453,115.44 - Step 4: Simplify right side
1,691,476.57x = 3,690,012,300,558.35 - Step 5: Solve for x
x = 3,690,012,300,558.35/1,691,476.57 - Step 6: Final answer
x = 2,181,533.20
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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.