Finding the Fourth Proportional to 1,543,725.12, 2,130,340.64 and 940,113.12
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Solution
The fourth proportional to 1,543,725.12, 2,130,340.64 and 940,113.12 is: 1,297,356.09
Step by Step Solution
- Step 1: Write the proportion equation
1,543,725.12 : 2,130,340.64 = 940,113.12 : x - Step 2: Convert to fraction form
1,543,725.12/2,130,340.64 = 940,113.12/x - Step 3: Cross multiply
1,543,725.12x = 2,130,340.64 × 940,113.12 - Step 4: Simplify right side
1,543,725.12x = 2,002,761,185,733.20 - Step 5: Solve for x
x = 2,002,761,185,733.20/1,543,725.12 - Step 6: Final answer
x = 1,297,356.09
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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.