Finding the Fourth Proportional to 2,584,090.69, 3,875,840.21 and 690,979.75
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Solution
The fourth proportional to 2,584,090.69, 3,875,840.21 and 690,979.75 is: 1,036,390.52
Step by Step Solution
- Step 1: Write the proportion equation
2,584,090.69 : 3,875,840.21 = 690,979.75 : x - Step 2: Convert to fraction form
2,584,090.69/3,875,840.21 = 690,979.75/x - Step 3: Cross multiply
2,584,090.69x = 3,875,840.21 × 690,979.75 - Step 4: Simplify right side
2,584,090.69x = 2,678,127,091,383.60 - Step 5: Solve for x
x = 2,678,127,091,383.60/2,584,090.69 - Step 6: Final answer
x = 1,036,390.52
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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.