Finding the Fourth Proportional to 2,371,511.96, 3,271,868.70 and 1,338,890.84
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Solution
The fourth proportional to 2,371,511.96, 3,271,868.70 and 1,338,890.84 is: 1,847,207.65
Step by Step Solution
- Step 1: Write the proportion equation
2,371,511.96 : 3,271,868.70 = 1,338,890.84 : x - Step 2: Convert to fraction form
2,371,511.96/3,271,868.70 = 1,338,890.84/x - Step 3: Cross multiply
2,371,511.96x = 3,271,868.70 × 1,338,890.84 - Step 4: Simplify right side
2,371,511.96x = 4,380,675,032,112.71 - Step 5: Solve for x
x = 4,380,675,032,112.71/2,371,511.96 - Step 6: Final answer
x = 1,847,207.65
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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.