Finding the Fourth Proportional to 3,862,816.64, 5,331,346.64 and 2,230,930.68
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Solution
The fourth proportional to 3,862,816.64, 5,331,346.64 and 2,230,930.68 is: 3,079,065.33
Step by Step Solution
- Step 1: Write the proportion equation
3,862,816.64 : 5,331,346.64 = 2,230,930.68 : x - Step 2: Convert to fraction form
3,862,816.64/5,331,346.64 = 2,230,930.68/x - Step 3: Cross multiply
3,862,816.64x = 5,331,346.64 × 2,230,930.68 - Step 4: Simplify right side
3,862,816.64x = 11,893,864,784,890.92 - Step 5: Solve for x
x = 11,893,864,784,890.92/3,862,816.64 - Step 6: Final answer
x = 3,079,065.33
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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.