Finding the Fourth Proportional to 4,452,628.71, 6,144,639.45 and 2,415,438.21
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Solution
The fourth proportional to 4,452,628.71, 6,144,639.45 and 2,415,438.21 is: 3,333,311.15
Step by Step Solution
- Step 1: Write the proportion equation
4,452,628.71 : 6,144,639.45 = 2,415,438.21 : x - Step 2: Convert to fraction form
4,452,628.71/6,144,639.45 = 2,415,438.21/x - Step 3: Cross multiply
4,452,628.71x = 6,144,639.45 × 2,415,438.21 - Step 4: Simplify right side
4,452,628.71x = 14,841,996,914,203.38 - Step 5: Solve for x
x = 14,841,996,914,203.38/4,452,628.71 - Step 6: Final answer
x = 3,333,311.15
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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.