Finding the Fourth Proportional to 7,792,830.45, 11,690,525.07 and 2,401,481.79
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Solution
The fourth proportional to 7,792,830.45, 11,690,525.07 and 2,401,481.79 is: 3,602,616.95
Step by Step Solution
- Step 1: Write the proportion equation
7,792,830.45 : 11,690,525.07 = 2,401,481.79 : x - Step 2: Convert to fraction form
7,792,830.45/11,690,525.07 = 2,401,481.79/x - Step 3: Cross multiply
7,792,830.45x = 11,690,525.07 × 2,401,481.79 - Step 4: Simplify right side
7,792,830.45x = 28,074,583,071,143.48 - Step 5: Solve for x
x = 28,074,583,071,143.48/7,792,830.45 - Step 6: Final answer
x = 3,602,616.95
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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.