Finding the Fourth Proportional to 4,752,022.20, 7,125,408.90 and 1,908,922.20
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Solution
The fourth proportional to 4,752,022.20, 7,125,408.90 and 1,908,922.20 is: 2,862,329.06
Step by Step Solution
- Step 1: Write the proportion equation
4,752,022.20 : 7,125,408.90 = 1,908,922.20 : x - Step 2: Convert to fraction form
4,752,022.20/7,125,408.90 = 1,908,922.20/x - Step 3: Cross multiply
4,752,022.20x = 7,125,408.90 × 1,908,922.20 - Step 4: Simplify right side
4,752,022.20x = 13,601,851,233,287.58 - Step 5: Solve for x
x = 13,601,851,233,287.58/4,752,022.20 - Step 6: Final answer
x = 2,862,329.06
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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.