Finding the Fourth Proportional to 2,409,433.12, 3,324,986.66 and 1,376,929.08
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Solution
The fourth proportional to 2,409,433.12, 3,324,986.66 and 1,376,929.08 is: 1,900,144.39
Step by Step Solution
- Step 1: Write the proportion equation
2,409,433.12 : 3,324,986.66 = 1,376,929.08 : x - Step 2: Convert to fraction form
2,409,433.12/3,324,986.66 = 1,376,929.08/x - Step 3: Cross multiply
2,409,433.12x = 3,324,986.66 × 1,376,929.08 - Step 4: Simplify right side
2,409,433.12x = 4,578,270,822,766.07 - Step 5: Solve for x
x = 4,578,270,822,766.07/2,409,433.12 - Step 6: Final answer
x = 1,900,144.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.