Finding the Fourth Proportional to 1,432,921.82, 2,149,533.10 and 713,441.96
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Solution
The fourth proportional to 1,432,921.82, 2,149,533.10 and 713,441.96 is: 1,070,237.81
Step by Step Solution
- Step 1: Write the proportion equation
1,432,921.82 : 2,149,533.10 = 713,441.96 : x - Step 2: Convert to fraction form
1,432,921.82/2,149,533.10 = 713,441.96/x - Step 3: Cross multiply
1,432,921.82x = 2,149,533.10 × 713,441.96 - Step 4: Simplify right side
1,432,921.82x = 1,533,567,107,948.88 - Step 5: Solve for x
x = 1,533,567,107,948.88/1,432,921.82 - Step 6: Final answer
x = 1,070,237.81
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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.