Finding the Fourth Proportional to 1,780,863.18, 2,671,257.31 and 433,032.70
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Solution
The fourth proportional to 1,780,863.18, 2,671,257.31 and 433,032.70 is: 649,539.94
Step by Step Solution
- Step 1: Write the proportion equation
1,780,863.18 : 2,671,257.31 = 433,032.70 : x - Step 2: Convert to fraction form
1,780,863.18/2,671,257.31 = 433,032.70/x - Step 3: Cross multiply
1,780,863.18x = 2,671,257.31 × 433,032.70 - Step 4: Simplify right side
1,780,863.18x = 1,156,741,757,583.31 - Step 5: Solve for x
x = 1,156,741,757,583.31/1,780,863.18 - Step 6: Final answer
x = 649,539.94
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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.