Finding the Fourth Proportional to 1,667,419.84, 2,301,049.92 and 903,478.96
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Solution
The fourth proportional to 1,667,419.84, 2,301,049.92 and 903,478.96 is: 1,246,806.68
Step by Step Solution
- Step 1: Write the proportion equation
1,667,419.84 : 2,301,049.92 = 903,478.96 : x - Step 2: Convert to fraction form
1,667,419.84/2,301,049.92 = 903,478.96/x - Step 3: Cross multiply
1,667,419.84x = 2,301,049.92 × 903,478.96 - Step 4: Simplify right side
1,667,419.84x = 2,078,950,188,629.68 - Step 5: Solve for x
x = 2,078,950,188,629.68/1,667,419.84 - Step 6: Final answer
x = 1,246,806.68
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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.