Finding the Fourth Proportional to 2,110,441.07, 2,912,403.93 and 1,143,597.53
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Solution
The fourth proportional to 2,110,441.07, 2,912,403.93 and 1,143,597.53 is: 1,578,162.02
Step by Step Solution
- Step 1: Write the proportion equation
2,110,441.07 : 2,912,403.93 = 1,143,597.53 : x - Step 2: Convert to fraction form
2,110,441.07/2,912,403.93 = 1,143,597.53/x - Step 3: Cross multiply
2,110,441.07x = 2,912,403.93 × 1,143,597.53 - Step 4: Simplify right side
2,110,441.07x = 3,330,617,940,710.29 - Step 5: Solve for x
x = 3,330,617,940,710.29/2,110,441.07 - Step 6: Final answer
x = 1,578,162.02
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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.