Finding the Fourth Proportional to 1,502,086.26, 2,072,876.63 and 813,775.65
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Solution
The fourth proportional to 1,502,086.26, 2,072,876.63 and 813,775.65 is: 1,123,009.09
Step by Step Solution
- Step 1: Write the proportion equation
1,502,086.26 : 2,072,876.63 = 813,775.65 : x - Step 2: Convert to fraction form
1,502,086.26/2,072,876.63 = 813,775.65/x - Step 3: Cross multiply
1,502,086.26x = 2,072,876.63 × 813,775.65 - Step 4: Simplify right side
1,502,086.26x = 1,686,856,526,948.06 - Step 5: Solve for x
x = 1,686,856,526,948.06/1,502,086.26 - Step 6: Final answer
x = 1,123,009.09
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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.