Finding the Fourth Proportional to 1,490,455.33, 2,057,096.58 and 878,571.74
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Solution
The fourth proportional to 1,490,455.33, 2,057,096.58 and 878,571.74 is: 1,212,587.11
Step by Step Solution
- Step 1: Write the proportion equation
1,490,455.33 : 2,057,096.58 = 878,571.74 : x - Step 2: Convert to fraction form
1,490,455.33/2,057,096.58 = 878,571.74/x - Step 3: Cross multiply
1,490,455.33x = 2,057,096.58 × 878,571.74 - Step 4: Simplify right side
1,490,455.33x = 1,807,306,921,638.65 - Step 5: Solve for x
x = 1,807,306,921,638.65/1,490,455.33 - Step 6: Final answer
x = 1,212,587.11
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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.