Finding the Fourth Proportional to 3,067,153.20, 4,232,688.84 and 1,778,757.84
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Solution
The fourth proportional to 3,067,153.20, 4,232,688.84 and 1,778,757.84 is: 2,454,695.92
Step by Step Solution
- Step 1: Write the proportion equation
3,067,153.20 : 4,232,688.84 = 1,778,757.84 : x - Step 2: Convert to fraction form
3,067,153.20/4,232,688.84 = 1,778,757.84/x - Step 3: Cross multiply
3,067,153.20x = 4,232,688.84 × 1,778,757.84 - Step 4: Simplify right side
3,067,153.20x = 7,528,928,458,430.51 - Step 5: Solve for x
x = 7,528,928,458,430.51/3,067,153.20 - Step 6: Final answer
x = 2,454,695.92
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1.5x scale
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.