Finding the Fourth Proportional to 2,058,430.59, 2,840,783.81 and 1,242,832.68
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Solution
The fourth proportional to 2,058,430.59, 2,840,783.81 and 1,242,832.68 is: 1,715,199.42
Step by Step Solution
- Step 1: Write the proportion equation
2,058,430.59 : 2,840,783.81 = 1,242,832.68 : x - Step 2: Convert to fraction form
2,058,430.59/2,840,783.81 = 1,242,832.68/x - Step 3: Cross multiply
2,058,430.59x = 2,840,783.81 × 1,242,832.68 - Step 4: Simplify right side
2,058,430.59x = 3,530,618,949,668.75 - Step 5: Solve for x
x = 3,530,618,949,668.75/2,058,430.59 - Step 6: Final answer
x = 1,715,199.42
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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.