Finding the Fourth Proportional to 3,115,987.38, 4,673,259.36 and 985,674.42
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Solution
The fourth proportional to 3,115,987.38, 4,673,259.36 and 985,674.42 is: 1,478,283.33
Step by Step Solution
- Step 1: Write the proportion equation
3,115,987.38 : 4,673,259.36 = 985,674.42 : x - Step 2: Convert to fraction form
3,115,987.38/4,673,259.36 = 985,674.42/x - Step 3: Cross multiply
3,115,987.38x = 4,673,259.36 × 985,674.42 - Step 4: Simplify right side
3,115,987.38x = 4,606,312,209,177.57 - Step 5: Solve for x
x = 4,606,312,209,177.57/3,115,987.38 - Step 6: Final answer
x = 1,478,283.33
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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.