Finding the Fourth Proportional to 2,498,755.36, 3,746,558.16 and 2,119,809.28
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Solution
The fourth proportional to 2,498,755.36, 3,746,558.16 and 2,119,809.28 is: 3,178,377.88
Step by Step Solution
- Step 1: Write the proportion equation
2,498,755.36 : 3,746,558.16 = 2,119,809.28 : x - Step 2: Convert to fraction form
2,498,755.36/3,746,558.16 = 2,119,809.28/x - Step 3: Cross multiply
2,498,755.36x = 3,746,558.16 × 2,119,809.28 - Step 4: Simplify right side
2,498,755.36x = 7,941,988,755,627.73 - Step 5: Solve for x
x = 7,941,988,755,627.73/2,498,755.36 - Step 6: Final answer
x = 3,178,377.88
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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.