Finding the Fourth Proportional to 5,085,850.68, 7,018,182.63 and 2,793,962.16
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Solution
The fourth proportional to 5,085,850.68, 7,018,182.63 and 2,793,962.16 is: 3,855,507.75
Step by Step Solution
- Step 1: Write the proportion equation
5,085,850.68 : 7,018,182.63 = 2,793,962.16 : x - Step 2: Convert to fraction form
5,085,850.68/7,018,182.63 = 2,793,962.16/x - Step 3: Cross multiply
5,085,850.68x = 7,018,182.63 × 2,793,962.16 - Step 4: Simplify right side
5,085,850.68x = 19,608,536,700,189.28 - Step 5: Solve for x
x = 19,608,536,700,189.28/5,085,850.68 - Step 6: Final answer
x = 3,855,507.75
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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.