Finding the Fourth Proportional to 2,591,678.76, 3,888,699.66 and 1,330,392.84
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Solution
The fourth proportional to 2,591,678.76, 3,888,699.66 and 1,330,392.84 is: 1,996,195.77
Step by Step Solution
- Step 1: Write the proportion equation
2,591,678.76 : 3,888,699.66 = 1,330,392.84 : x - Step 2: Convert to fraction form
2,591,678.76/3,888,699.66 = 1,330,392.84/x - Step 3: Cross multiply
2,591,678.76x = 3,888,699.66 × 1,330,392.84 - Step 4: Simplify right side
2,591,678.76x = 5,173,498,184,574.43 - Step 5: Solve for x
x = 5,173,498,184,574.43/2,591,678.76 - Step 6: Final answer
x = 1,996,195.77
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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.