Finding the Fourth Proportional to 1,515,907.08, 2,091,938.94 and 836,829
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Solution
The fourth proportional to 1,515,907.08, 2,091,938.94 and 836,829 is: 1,154,816.94
Step by Step Solution
- Step 1: Write the proportion equation
1,515,907.08 : 2,091,938.94 = 836,829 : x - Step 2: Convert to fraction form
1,515,907.08/2,091,938.94 = 836,829/x - Step 3: Cross multiply
1,515,907.08x = 2,091,938.94 × 836,829 - Step 4: Simplify right side
1,515,907.08x = 1,750,595,171,221.26 - Step 5: Solve for x
x = 1,750,595,171,221.26/1,515,907.08 - Step 6: Final answer
x = 1,154,816.94
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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.