Finding the Fourth Proportional to 1,441,660.26, 2,162,800.68 and 430,864.38
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Solution
The fourth proportional to 1,441,660.26, 2,162,800.68 and 430,864.38 is: 646,389.31
Step by Step Solution
- Step 1: Write the proportion equation
1,441,660.26 : 2,162,800.68 = 430,864.38 : x - Step 2: Convert to fraction form
1,441,660.26/2,162,800.68 = 430,864.38/x - Step 3: Cross multiply
1,441,660.26x = 2,162,800.68 × 430,864.38 - Step 4: Simplify right side
1,441,660.26x = 931,873,774,051.78 - Step 5: Solve for x
x = 931,873,774,051.78/1,441,660.26 - Step 6: Final answer
x = 646,389.31
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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.