Finding the Fourth Proportional to 4,904,661.43, 6,764,598.52 and 3,186,335.53
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Solution
The fourth proportional to 4,904,661.43, 6,764,598.52 and 3,186,335.53 is: 4,394,652.09
Step by Step Solution
- Step 1: Write the proportion equation
4,904,661.43 : 6,764,598.52 = 3,186,335.53 : x - Step 2: Convert to fraction form
4,904,661.43/6,764,598.52 = 3,186,335.53/x - Step 3: Cross multiply
4,904,661.43x = 6,764,598.52 × 3,186,335.53 - Step 4: Simplify right side
4,904,661.43x = 21,554,280,610,461.41 - Step 5: Solve for x
x = 21,554,280,610,461.41/4,904,661.43 - Step 6: Final answer
x = 4,394,652.09
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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.