Finding the Fourth Proportional to 4,021,284.74, 5,549,379.99 and 2,185,738.03
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Solution
The fourth proportional to 4,021,284.74, 5,549,379.99 and 2,185,738.03 is: 3,016,322.32
Step by Step Solution
- Step 1: Write the proportion equation
4,021,284.74 : 5,549,379.99 = 2,185,738.03 : x - Step 2: Convert to fraction form
4,021,284.74/5,549,379.99 = 2,185,738.03/x - Step 3: Cross multiply
4,021,284.74x = 5,549,379.99 × 2,185,738.03 - Step 4: Simplify right side
4,021,284.74x = 12,129,490,899,755.71 - Step 5: Solve for x
x = 12,129,490,899,755.71/4,021,284.74 - Step 6: Final answer
x = 3,016,322.32
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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.