Finding the Fourth Proportional to 1,955,694.24, 2,699,420.53 and 1,181,202.06
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Solution
The fourth proportional to 1,955,694.24, 2,699,420.53 and 1,181,202.06 is: 1,630,398.57
Step by Step Solution
- Step 1: Write the proportion equation
1,955,694.24 : 2,699,420.53 = 1,181,202.06 : x - Step 2: Convert to fraction form
1,955,694.24/2,699,420.53 = 1,181,202.06/x - Step 3: Cross multiply
1,955,694.24x = 2,699,420.53 × 1,181,202.06 - Step 4: Simplify right side
1,955,694.24x = 3,188,561,085,042.63 - Step 5: Solve for x
x = 3,188,561,085,042.63/1,955,694.24 - Step 6: Final answer
x = 1,630,398.57
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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.