Finding the Fourth Proportional to 1,679,914.68, 2,519,882.06 and 417,742.30
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Solution
The fourth proportional to 1,679,914.68, 2,519,882.06 and 417,742.30 is: 626,615.95
Step by Step Solution
- Step 1: Write the proportion equation
1,679,914.68 : 2,519,882.06 = 417,742.30 : x - Step 2: Convert to fraction form
1,679,914.68/2,519,882.06 = 417,742.30/x - Step 3: Cross multiply
1,679,914.68x = 2,519,882.06 × 417,742.30 - Step 4: Simplify right side
1,679,914.68x = 1,052,661,327,473.14 - Step 5: Solve for x
x = 1,052,661,327,473.14/1,679,914.68 - Step 6: Final answer
x = 626,615.95
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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.