Finding the Fourth Proportional to 6,819,828.11, 10,220,884.66 and 2,771,604.95
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Solution
The fourth proportional to 6,819,828.11, 10,220,884.66 and 2,771,604.95 is: 4,153,807.69
Step by Step Solution
- Step 1: Write the proportion equation
6,819,828.11 : 10,220,884.66 = 2,771,604.95 : x - Step 2: Convert to fraction form
6,819,828.11/10,220,884.66 = 2,771,604.95/x - Step 3: Cross multiply
6,819,828.11x = 10,220,884.66 × 2,771,604.95 - Step 4: Simplify right side
6,819,828.11x = 28,328,254,469,395.15 - Step 5: Solve for x
x = 28,328,254,469,395.15/6,819,828.11 - Step 6: Final answer
x = 4,153,807.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.