Finding the Fourth Proportional to 2,119,902.67, 3,177,929.84 and 771,111.93
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Solution
The fourth proportional to 2,119,902.67, 3,177,929.84 and 771,111.93 is: 1,155,967.99
Step by Step Solution
- Step 1: Write the proportion equation
2,119,902.67 : 3,177,929.84 = 771,111.93 : x - Step 2: Convert to fraction form
2,119,902.67/3,177,929.84 = 771,111.93/x - Step 3: Cross multiply
2,119,902.67x = 3,177,929.84 × 771,111.93 - Step 4: Simplify right side
2,119,902.67x = 2,450,539,612,326.99 - Step 5: Solve for x
x = 2,450,539,612,326.99/2,119,902.67 - Step 6: Final answer
x = 1,155,967.99
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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.