Finding the Fourth Proportional to 3,203,121.02, 4,420,306.58 and 1,752,816.62
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Solution
The fourth proportional to 3,203,121.02, 4,420,306.58 and 1,752,816.62 is: 2,418,886.70
Step by Step Solution
- Step 1: Write the proportion equation
3,203,121.02 : 4,420,306.58 = 1,752,816.62 : x - Step 2: Convert to fraction form
3,203,121.02/4,420,306.58 = 1,752,816.62/x - Step 3: Cross multiply
3,203,121.02x = 4,420,306.58 × 1,752,816.62 - Step 4: Simplify right side
3,203,121.02x = 7,747,986,830,155.28 - Step 5: Solve for x
x = 7,747,986,830,155.28/3,203,121.02 - Step 6: Final answer
x = 2,418,886.70
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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.