Finding the Fourth Proportional to 1,631,285.19, 2,445,580.49 and 719,818.65
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Solution
The fourth proportional to 1,631,285.19, 2,445,580.49 and 719,818.65 is: 1,079,133.47
Step by Step Solution
- Step 1: Write the proportion equation
1,631,285.19 : 2,445,580.49 = 719,818.65 : x - Step 2: Convert to fraction form
1,631,285.19/2,445,580.49 = 719,818.65/x - Step 3: Cross multiply
1,631,285.19x = 2,445,580.49 × 719,818.65 - Step 4: Simplify right side
1,631,285.19x = 1,760,374,443,179.05 - Step 5: Solve for x
x = 1,760,374,443,179.05/1,631,285.19 - Step 6: Final answer
x = 1,079,133.47
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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.