Finding the Fourth Proportional to 4,812,338.84, 6,640,585.98 and 2,774,754.68
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Solution
The fourth proportional to 4,812,338.84, 6,640,585.98 and 2,774,754.68 is: 3,828,906.82
Step by Step Solution
- Step 1: Write the proportion equation
4,812,338.84 : 6,640,585.98 = 2,774,754.68 : x - Step 2: Convert to fraction form
4,812,338.84/6,640,585.98 = 2,774,754.68/x - Step 3: Cross multiply
4,812,338.84x = 6,640,585.98 × 2,774,754.68 - Step 4: Simplify right side
4,812,338.84x = 18,425,997,025,947.39 - Step 5: Solve for x
x = 18,425,997,025,947.39/4,812,338.84 - Step 6: Final answer
x = 3,828,906.82
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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.