Finding the Fourth Proportional to 1,432,340.40, 2,148,506.76 and 533,761.68
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Solution
The fourth proportional to 1,432,340.40, 2,148,506.76 and 533,761.68 is: 800,641.09
Step by Step Solution
- Step 1: Write the proportion equation
1,432,340.40 : 2,148,506.76 = 533,761.68 : x - Step 2: Convert to fraction form
1,432,340.40/2,148,506.76 = 533,761.68/x - Step 3: Cross multiply
1,432,340.40x = 2,148,506.76 × 533,761.68 - Step 4: Simplify right side
1,432,340.40x = 1,146,790,577,708.96 - Step 5: Solve for x
x = 1,146,790,577,708.96/1,432,340.40 - Step 6: Final answer
x = 800,641.09
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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.