Finding the Fourth Proportional to 1,820,838.77, 2,512,757.70 and 1,005,042.65
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Solution
The fourth proportional to 1,820,838.77, 2,512,757.70 and 1,005,042.65 is: 1,386,958.97
Step by Step Solution
- Step 1: Write the proportion equation
1,820,838.77 : 2,512,757.70 = 1,005,042.65 : x - Step 2: Convert to fraction form
1,820,838.77/2,512,757.70 = 1,005,042.65/x - Step 3: Cross multiply
1,820,838.77x = 2,512,757.70 × 1,005,042.65 - Step 4: Simplify right side
1,820,838.77x = 2,525,428,657,615.91 - Step 5: Solve for x
x = 2,525,428,657,615.91/1,820,838.77 - Step 6: Final answer
x = 1,386,958.97
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.