Finding the Fourth Proportional to 1,876,534.70, 2,589,589.74 and 1,060,709.68
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Solution
The fourth proportional to 1,876,534.70, 2,589,589.74 and 1,060,709.68 is: 1,463,763.46
Step by Step Solution
- Step 1: Write the proportion equation
1,876,534.70 : 2,589,589.74 = 1,060,709.68 : x - Step 2: Convert to fraction form
1,876,534.70/2,589,589.74 = 1,060,709.68/x - Step 3: Cross multiply
1,876,534.70x = 2,589,589.74 × 1,060,709.68 - Step 4: Simplify right side
1,876,534.70x = 2,746,802,911,661.33 - Step 5: Solve for x
x = 2,746,802,911,661.33/1,876,534.70 - Step 6: Final answer
x = 1,463,763.46
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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.