Finding the Fourth Proportional to 7,605,639.47, 11,408,874.74 and 1,925,912.99
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Solution
The fourth proportional to 7,605,639.47, 11,408,874.74 and 1,925,912.99 is: 2,888,974.71
Step by Step Solution
- Step 1: Write the proportion equation
7,605,639.47 : 11,408,874.74 = 1,925,912.99 : x - Step 2: Convert to fraction form
7,605,639.47/11,408,874.74 = 1,925,912.99/x - Step 3: Cross multiply
7,605,639.47x = 11,408,874.74 × 1,925,912.99 - Step 4: Simplify right side
7,605,639.47x = 21,972,500,063,048.87 - Step 5: Solve for x
x = 21,972,500,063,048.87/7,605,639.47 - Step 6: Final answer
x = 2,888,974.71
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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.