Finding the Fourth Proportional to 1,445,454.08, 2,171,309.74 and 939,754.96
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Solution
The fourth proportional to 1,445,454.08, 2,171,309.74 and 939,754.96 is: 1,411,666.50
Step by Step Solution
- Step 1: Write the proportion equation
1,445,454.08 : 2,171,309.74 = 939,754.96 : x - Step 2: Convert to fraction form
1,445,454.08/2,171,309.74 = 939,754.96/x - Step 3: Cross multiply
1,445,454.08x = 2,171,309.74 × 939,754.96 - Step 4: Simplify right side
1,445,454.08x = 2,040,499,097,861.31 - Step 5: Solve for x
x = 2,040,499,097,861.31/1,445,454.08 - Step 6: Final answer
x = 1,411,666.50
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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.