Finding the Fourth Proportional to 5,038,645.53, 7,556,722.56 and 2,159,685.84
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Solution
The fourth proportional to 5,038,645.53, 7,556,722.56 and 2,159,685.84 is: 3,238,994.81
Step by Step Solution
- Step 1: Write the proportion equation
5,038,645.53 : 7,556,722.56 = 2,159,685.84 : x - Step 2: Convert to fraction form
5,038,645.53/7,556,722.56 = 2,159,685.84/x - Step 3: Cross multiply
5,038,645.53x = 7,556,722.56 × 2,159,685.84 - Step 4: Simplify right side
5,038,645.53x = 16,320,146,709,640.55 - Step 5: Solve for x
x = 16,320,146,709,640.55/5,038,645.53 - Step 6: Final answer
x = 3,238,994.81
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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.