Finding the Fourth Proportional to 3,578,905.12, 5,366,698.80 and 1,334,440.48
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Solution
The fourth proportional to 3,578,905.12, 5,366,698.80 and 1,334,440.48 is: 2,001,042.19
Step by Step Solution
- Step 1: Write the proportion equation
3,578,905.12 : 5,366,698.80 = 1,334,440.48 : x - Step 2: Convert to fraction form
3,578,905.12/5,366,698.80 = 1,334,440.48/x - Step 3: Cross multiply
3,578,905.12x = 5,366,698.80 × 1,334,440.48 - Step 4: Simplify right side
3,578,905.12x = 7,161,540,122,687.42 - Step 5: Solve for x
x = 7,161,540,122,687.42/3,578,905.12 - Step 6: Final answer
x = 2,001,042.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.