Finding the Fourth Proportional to 5,606,831.20, 7,737,430.15 and 3,028,511.97
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Solution
The fourth proportional to 5,606,831.20, 7,737,430.15 and 3,028,511.97 is: 4,179,348.19
Step by Step Solution
- Step 1: Write the proportion equation
5,606,831.20 : 7,737,430.15 = 3,028,511.97 : x - Step 2: Convert to fraction form
5,606,831.20/7,737,430.15 = 3,028,511.97/x - Step 3: Cross multiply
5,606,831.20x = 7,737,430.15 × 3,028,511.97 - Step 4: Simplify right side
5,606,831.20x = 23,432,899,826,313.90 - Step 5: Solve for x
x = 23,432,899,826,313.90/5,606,831.20 - Step 6: Final answer
x = 4,179,348.19
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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.