Finding the Fourth Proportional to 1,515,118.26, 2,090,907.68 and 826,834.53
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Solution
The fourth proportional to 1,515,118.26, 2,090,907.68 and 826,834.53 is: 1,141,055.93
Step by Step Solution
- Step 1: Write the proportion equation
1,515,118.26 : 2,090,907.68 = 826,834.53 : x - Step 2: Convert to fraction form
1,515,118.26/2,090,907.68 = 826,834.53/x - Step 3: Cross multiply
1,515,118.26x = 2,090,907.68 × 826,834.53 - Step 4: Simplify right side
1,515,118.26x = 1,728,834,672,572.92 - Step 5: Solve for x
x = 1,728,834,672,572.92/1,515,118.26 - Step 6: Final answer
x = 1,141,055.93
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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.