Finding the Fourth Proportional to 2,818,900.54, 3,890,085.24 and 1,529,740.99
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Solution
The fourth proportional to 2,818,900.54, 3,890,085.24 and 1,529,740.99 is: 2,111,043.92
Step by Step Solution
- Step 1: Write the proportion equation
2,818,900.54 : 3,890,085.24 = 1,529,740.99 : x - Step 2: Convert to fraction form
2,818,900.54/3,890,085.24 = 1,529,740.99/x - Step 3: Cross multiply
2,818,900.54x = 3,890,085.24 × 1,529,740.99 - Step 4: Simplify right side
2,818,900.54x = 5,950,822,846,221.99 - Step 5: Solve for x
x = 5,950,822,846,221.99/2,818,900.54 - Step 6: Final answer
x = 2,111,043.92
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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.