Finding the Fourth Proportional to 2,998,519.84, 4,138,057.02 and 1,640,392.84
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Solution
The fourth proportional to 2,998,519.84, 4,138,057.02 and 1,640,392.84 is: 2,263,796.63
Step by Step Solution
- Step 1: Write the proportion equation
2,998,519.84 : 4,138,057.02 = 1,640,392.84 : x - Step 2: Convert to fraction form
2,998,519.84/4,138,057.02 = 1,640,392.84/x - Step 3: Cross multiply
2,998,519.84x = 4,138,057.02 × 1,640,392.84 - Step 4: Simplify right side
2,998,519.84x = 6,788,039,107,119.74 - Step 5: Solve for x
x = 6,788,039,107,119.74/2,998,519.84 - Step 6: Final answer
x = 2,263,796.63
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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.