Finding the Fourth Proportional to 4,026,955.68, 5,557,199.74 and 2,216,119.68
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Solution
The fourth proportional to 4,026,955.68, 5,557,199.74 and 2,216,119.68 is: 3,058,245.65
Step by Step Solution
- Step 1: Write the proportion equation
4,026,955.68 : 5,557,199.74 = 2,216,119.68 : x - Step 2: Convert to fraction form
4,026,955.68/5,557,199.74 = 2,216,119.68/x - Step 3: Cross multiply
4,026,955.68x = 5,557,199.74 × 2,216,119.68 - Step 4: Simplify right side
4,026,955.68x = 12,315,419,700,800.63 - Step 5: Solve for x
x = 12,315,419,700,800.63/4,026,955.68 - Step 6: Final answer
x = 3,058,245.65
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1.5x scale
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.