Finding the Fourth Proportional to 2,386,269.28, 3,293,052.16 and 1,313,181.28
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Solution
The fourth proportional to 2,386,269.28, 3,293,052.16 and 1,313,181.28 is: 1,812,190.47
Step by Step Solution
- Step 1: Write the proportion equation
2,386,269.28 : 3,293,052.16 = 1,313,181.28 : x - Step 2: Convert to fraction form
2,386,269.28/3,293,052.16 = 1,313,181.28/x - Step 3: Cross multiply
2,386,269.28x = 3,293,052.16 × 1,313,181.28 - Step 4: Simplify right side
2,386,269.28x = 4,324,374,450,575.57 - Step 5: Solve for x
x = 4,324,374,450,575.57/2,386,269.28 - Step 6: Final answer
x = 1,812,190.47
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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.