Finding the Fourth Proportional to 3,057,750.68, 4,219,698.63 and 1,681,117.81
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Solution
The fourth proportional to 3,057,750.68, 4,219,698.63 and 1,681,117.81 is: 2,319,944.05
Step by Step Solution
- Step 1: Write the proportion equation
3,057,750.68 : 4,219,698.63 = 1,681,117.81 : x - Step 2: Convert to fraction form
3,057,750.68/4,219,698.63 = 1,681,117.81/x - Step 3: Cross multiply
3,057,750.68x = 4,219,698.63 × 1,681,117.81 - Step 4: Simplify right side
3,057,750.68x = 7,093,810,498,627.11 - Step 5: Solve for x
x = 7,093,810,498,627.11/3,057,750.68 - Step 6: Final answer
x = 2,319,944.05
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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.