Finding the Fourth Proportional to 1,896,137.32, 2,616,619.24 and 1,121,808.12
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Solution
The fourth proportional to 1,896,137.32, 2,616,619.24 and 1,121,808.12 is: 1,548,065.47
Step by Step Solution
- Step 1: Write the proportion equation
1,896,137.32 : 2,616,619.24 = 1,121,808.12 : x - Step 2: Convert to fraction form
1,896,137.32/2,616,619.24 = 1,121,808.12/x - Step 3: Cross multiply
1,896,137.32x = 2,616,619.24 × 1,121,808.12 - Step 4: Simplify right side
1,896,137.32x = 2,935,344,710,380.23 - Step 5: Solve for x
x = 2,935,344,710,380.23/1,896,137.32 - Step 6: Final answer
x = 1,548,065.47
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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.