Finding the Fourth Proportional to 2,590,318.70, 3,883,922.85 and 1,330,606.70
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Solution
The fourth proportional to 2,590,318.70, 3,883,922.85 and 1,330,606.70 is: 1,995,111.17
Step by Step Solution
- Step 1: Write the proportion equation
2,590,318.70 : 3,883,922.85 = 1,330,606.70 : x - Step 2: Convert to fraction form
2,590,318.70/3,883,922.85 = 1,330,606.70/x - Step 3: Cross multiply
2,590,318.70x = 3,883,922.85 × 1,330,606.70 - Step 4: Simplify right side
2,590,318.70x = 5,167,973,766,493.10 - Step 5: Solve for x
x = 5,167,973,766,493.10/2,590,318.70 - Step 6: Final answer
x = 1,995,111.17
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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.