Finding the Fourth Proportional to 3,423,867.36, 5,135,788.48 and 1,027,701.60
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Solution
The fourth proportional to 3,423,867.36, 5,135,788.48 and 1,027,701.60 is: 1,541,548.63
Step by Step Solution
- Step 1: Write the proportion equation
3,423,867.36 : 5,135,788.48 = 1,027,701.60 : x - Step 2: Convert to fraction form
3,423,867.36/5,135,788.48 = 1,027,701.60/x - Step 3: Cross multiply
3,423,867.36x = 5,135,788.48 × 1,027,701.60 - Step 4: Simplify right side
3,423,867.36x = 5,278,058,038,157.57 - Step 5: Solve for x
x = 5,278,058,038,157.57/3,423,867.36 - Step 6: Final answer
x = 1,541,548.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.