Finding the Fourth Proportional to 4,214,228.70, 5,815,650.95 and 2,280,489.11
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Solution
The fourth proportional to 4,214,228.70, 5,815,650.95 and 2,280,489.11 is: 3,147,083.28
Step by Step Solution
- Step 1: Write the proportion equation
4,214,228.70 : 5,815,650.95 = 2,280,489.11 : x - Step 2: Convert to fraction form
4,214,228.70/5,815,650.95 = 2,280,489.11/x - Step 3: Cross multiply
4,214,228.70x = 5,815,650.95 × 2,280,489.11 - Step 4: Simplify right side
4,214,228.70x = 13,262,528,659,036.15 - Step 5: Solve for x
x = 13,262,528,659,036.15/4,214,228.70 - Step 6: Final answer
x = 3,147,083.28
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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.