Finding the Fourth Proportional to 1,716,808.72, 2,369,489.24 and 991,526.08
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Solution
The fourth proportional to 1,716,808.72, 2,369,489.24 and 991,526.08 is: 1,368,475.33
Step by Step Solution
- Step 1: Write the proportion equation
1,716,808.72 : 2,369,489.24 = 991,526.08 : x - Step 2: Convert to fraction form
1,716,808.72/2,369,489.24 = 991,526.08/x - Step 3: Cross multiply
1,716,808.72x = 2,369,489.24 × 991,526.08 - Step 4: Simplify right side
1,716,808.72x = 2,349,410,377,739.38 - Step 5: Solve for x
x = 2,349,410,377,739.38/1,716,808.72 - Step 6: Final answer
x = 1,368,475.33
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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.