Finding the Fourth Proportional to 2,368,411.20, 3,552,616.80 and 2,209,780.80
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Solution
The fourth proportional to 2,368,411.20, 3,552,616.80 and 2,209,780.80 is: 3,314,671.20
Step by Step Solution
- Step 1: Write the proportion equation
2,368,411.20 : 3,552,616.80 = 2,209,780.80 : x - Step 2: Convert to fraction form
2,368,411.20/3,552,616.80 = 2,209,780.80/x - Step 3: Cross multiply
2,368,411.20x = 3,552,616.80 × 2,209,780.80 - Step 4: Simplify right side
2,368,411.20x = 7,850,504,394,397.44 - Step 5: Solve for x
x = 7,850,504,394,397.44/2,368,411.20 - Step 6: Final answer
x = 3,314,671.20
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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.