Finding the Fourth Proportional to 2,110,440.07, 2,912,402.55 and 1,143,596.53
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Solution
The fourth proportional to 2,110,440.07, 2,912,402.55 and 1,143,596.53 is: 1,578,160.64
Step by Step Solution
- Step 1: Write the proportion equation
2,110,440.07 : 2,912,402.55 = 1,143,596.53 : x - Step 2: Convert to fraction form
2,110,440.07/2,912,402.55 = 1,143,596.53/x - Step 3: Cross multiply
2,110,440.07x = 2,912,402.55 × 1,143,596.53 - Step 4: Simplify right side
2,110,440.07x = 3,330,613,450,143.15 - Step 5: Solve for x
x = 3,330,613,450,143.15/2,110,440.07 - Step 6: Final answer
x = 1,578,160.64
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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.