Finding the Fourth Proportional to 2,725,935.80, 4,088,903.70 and 832,431.20
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Solution
The fourth proportional to 2,725,935.80, 4,088,903.70 and 832,431.20 is: 1,248,646.80
Step by Step Solution
- Step 1: Write the proportion equation
2,725,935.80 : 4,088,903.70 = 832,431.20 : x - Step 2: Convert to fraction form
2,725,935.80/4,088,903.70 = 832,431.20/x - Step 3: Cross multiply
2,725,935.80x = 4,088,903.70 × 832,431.20 - Step 4: Simplify right side
2,725,935.80x = 3,403,731,013,675.44 - Step 5: Solve for x
x = 3,403,731,013,675.44/2,725,935.80 - Step 6: Final answer
x = 1,248,646.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.