Finding the Fourth Proportional to 4,087,628.46, 5,640,928.95 and 2,369,744.94
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Solution
The fourth proportional to 4,087,628.46, 5,640,928.95 and 2,369,744.94 is: 3,270,248.99
Step by Step Solution
- Step 1: Write the proportion equation
4,087,628.46 : 5,640,928.95 = 2,369,744.94 : x - Step 2: Convert to fraction form
4,087,628.46/5,640,928.95 = 2,369,744.94/x - Step 3: Cross multiply
4,087,628.46x = 5,640,928.95 × 2,369,744.94 - Step 4: Simplify right side
4,087,628.46x = 13,367,562,836,162.01 - Step 5: Solve for x
x = 13,367,562,836,162.01/4,087,628.46 - Step 6: Final answer
x = 3,270,248.99
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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.