Finding the Fourth Proportional to 5,038,636.74, 7,556,709.44 and 2,159,677.07
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Solution
The fourth proportional to 5,038,636.74, 7,556,709.44 and 2,159,677.07 is: 3,238,981.68
Step by Step Solution
- Step 1: Write the proportion equation
5,038,636.74 : 7,556,709.44 = 2,159,677.07 : x - Step 2: Convert to fraction form
5,038,636.74/7,556,709.44 = 2,159,677.07/x - Step 3: Cross multiply
5,038,636.74x = 7,556,709.44 × 2,159,677.07 - Step 4: Simplify right side
5,038,636.74x = 16,320,052,069,836.19 - Step 5: Solve for x
x = 16,320,052,069,836.19/5,038,636.74 - Step 6: Final answer
x = 3,238,981.68
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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.