Finding the Fourth Proportional to 1,947,678.20, 2,934,811.64 and 1,600,470.08
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Solution
The fourth proportional to 1,947,678.20, 2,934,811.64 and 1,600,470.08 is: 2,411,629.51
Step by Step Solution
- Step 1: Write the proportion equation
1,947,678.20 : 2,934,811.64 = 1,600,470.08 : x - Step 2: Convert to fraction form
1,947,678.20/2,934,811.64 = 1,600,470.08/x - Step 3: Cross multiply
1,947,678.20x = 2,934,811.64 × 1,600,470.08 - Step 4: Simplify right side
1,947,678.20x = 4,697,078,220,255.73 - Step 5: Solve for x
x = 4,697,078,220,255.73/1,947,678.20 - Step 6: Final answer
x = 2,411,629.51
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.