Finding the Fourth Proportional to 1,795,790.91, 2,478,246.14 and 1,021,533.94
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Solution
The fourth proportional to 1,795,790.91, 2,478,246.14 and 1,021,533.94 is: 1,409,747.94
Step by Step Solution
- Step 1: Write the proportion equation
1,795,790.91 : 2,478,246.14 = 1,021,533.94 : x - Step 2: Convert to fraction form
1,795,790.91/2,478,246.14 = 1,021,533.94/x - Step 3: Cross multiply
1,795,790.91x = 2,478,246.14 × 1,021,533.94 - Step 4: Simplify right side
1,795,790.91x = 2,531,612,540,042.21 - Step 5: Solve for x
x = 2,531,612,540,042.21/1,795,790.91 - Step 6: Final answer
x = 1,409,747.94
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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.