Finding the Fourth Proportional to 1,573,149.51, 2,171,112.84 and 961,660.17
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Solution
The fourth proportional to 1,573,149.51, 2,171,112.84 and 961,660.17 is: 1,327,192.83
Step by Step Solution
- Step 1: Write the proportion equation
1,573,149.51 : 2,171,112.84 = 961,660.17 : x - Step 2: Convert to fraction form
1,573,149.51/2,171,112.84 = 961,660.17/x - Step 3: Cross multiply
1,573,149.51x = 2,171,112.84 × 961,660.17 - Step 4: Simplify right side
1,573,149.51x = 2,087,872,742,803.58 - Step 5: Solve for x
x = 2,087,872,742,803.58/1,573,149.51 - Step 6: Final answer
x = 1,327,192.83
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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.