Finding the Fourth Proportional to 3,674,906.19, 5,513,478.30 and 1,879,051.14
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Solution
The fourth proportional to 3,674,906.19, 5,513,478.30 and 1,879,051.14 is: 2,819,148.88
Step by Step Solution
- Step 1: Write the proportion equation
3,674,906.19 : 5,513,478.30 = 1,879,051.14 : x - Step 2: Convert to fraction form
3,674,906.19/5,513,478.30 = 1,879,051.14/x - Step 3: Cross multiply
3,674,906.19x = 5,513,478.30 × 1,879,051.14 - Step 4: Simplify right side
3,674,906.19x = 10,360,107,684,980.26 - Step 5: Solve for x
x = 10,360,107,684,980.26/3,674,906.19 - Step 6: Final answer
x = 2,819,148.88
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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.