Finding the Fourth Proportional to 7,284,480.65, 10,052,319.81 and 4,021,225.31
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Solution
The fourth proportional to 7,284,480.65, 10,052,319.81 and 4,021,225.31 is: 5,549,145.48
Step by Step Solution
- Step 1: Write the proportion equation
7,284,480.65 : 10,052,319.81 = 4,021,225.31 : x - Step 2: Convert to fraction form
7,284,480.65/10,052,319.81 = 4,021,225.31/x - Step 3: Cross multiply
7,284,480.65x = 10,052,319.81 × 4,021,225.31 - Step 4: Simplify right side
7,284,480.65x = 40,422,642,844,186.39 - Step 5: Solve for x
x = 40,422,642,844,186.39/7,284,480.65 - Step 6: Final answer
x = 5,549,145.48
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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.