Finding the Fourth Proportional to 1,511,931.84, 2,086,471.08 and 832,866.72
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Solution
The fourth proportional to 1,511,931.84, 2,086,471.08 and 832,866.72 is: 1,149,358.91
Step by Step Solution
- Step 1: Write the proportion equation
1,511,931.84 : 2,086,471.08 = 832,866.72 : x - Step 2: Convert to fraction form
1,511,931.84/2,086,471.08 = 832,866.72/x - Step 3: Cross multiply
1,511,931.84x = 2,086,471.08 × 832,866.72 - Step 4: Simplify right side
1,511,931.84x = 1,737,752,324,774.46 - Step 5: Solve for x
x = 1,737,752,324,774.46/1,511,931.84 - Step 6: Final answer
x = 1,149,358.91
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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.