Finding the Fourth Proportional to 2,752,079.70, 4,128,119.55 and 2,574,932.70
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Solution
The fourth proportional to 2,752,079.70, 4,128,119.55 and 2,574,932.70 is: 3,862,399.05
Step by Step Solution
- Step 1: Write the proportion equation
2,752,079.70 : 4,128,119.55 = 2,574,932.70 : x - Step 2: Convert to fraction form
2,752,079.70/4,128,119.55 = 2,574,932.70/x - Step 3: Cross multiply
2,752,079.70x = 4,128,119.55 × 2,574,932.70 - Step 4: Simplify right side
2,752,079.70x = 10,629,630,018,804.29 - Step 5: Solve for x
x = 10,629,630,018,804.29/2,752,079.70 - Step 6: Final answer
x = 3,862,399.05
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1.5x scale
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.