Finding the Fourth Proportional to 4,210,371.84, 5,810,968.56 and 2,764,261.92
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Solution
The fourth proportional to 4,210,371.84, 5,810,968.56 and 2,764,261.92 is: 3,815,111.76
Step by Step Solution
- Step 1: Write the proportion equation
4,210,371.84 : 5,810,968.56 = 2,764,261.92 : x - Step 2: Convert to fraction form
4,210,371.84/5,810,968.56 = 2,764,261.92/x - Step 3: Cross multiply
4,210,371.84x = 5,810,968.56 × 2,764,261.92 - Step 4: Simplify right side
4,210,371.84x = 16,063,039,108,725.23 - Step 5: Solve for x
x = 16,063,039,108,725.23/4,210,371.84 - Step 6: Final answer
x = 3,815,111.76
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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.