Finding the Fourth Proportional to 7,315,920.13, 10,974,129 and 3,475,760.62
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Solution
The fourth proportional to 7,315,920.13, 10,974,129 and 3,475,760.62 is: 5,213,759.14
Step by Step Solution
- Step 1: Write the proportion equation
7,315,920.13 : 10,974,129 = 3,475,760.62 : x - Step 2: Convert to fraction form
7,315,920.13/10,974,129 = 3,475,760.62/x - Step 3: Cross multiply
7,315,920.13x = 10,974,129 × 3,475,760.62 - Step 4: Simplify right side
7,315,920.13x = 38,143,445,416,999.98 - Step 5: Solve for x
x = 38,143,445,416,999.98/7,315,920.13 - Step 6: Final answer
x = 5,213,759.14
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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.