Finding the Fourth Proportional to 1,927,565.44, 2,661,249.41 and 1,240,431.14
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Solution
The fourth proportional to 1,927,565.44, 2,661,249.41 and 1,240,431.14 is: 1,712,573.06
Step by Step Solution
- Step 1: Write the proportion equation
1,927,565.44 : 2,661,249.41 = 1,240,431.14 : x - Step 2: Convert to fraction form
1,927,565.44/2,661,249.41 = 1,240,431.14/x - Step 3: Cross multiply
1,927,565.44x = 2,661,249.41 × 1,240,431.14 - Step 4: Simplify right side
1,927,565.44x = 3,301,096,633,599.74 - Step 5: Solve for x
x = 3,301,096,633,599.74/1,927,565.44 - Step 6: Final answer
x = 1,712,573.06
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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.