Finding the Fourth Proportional to 3,440,637.40, 5,155,051.20 and 2,241,942.70
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Solution
The fourth proportional to 3,440,637.40, 5,155,051.20 and 2,241,942.70 is: 3,359,066.38
Step by Step Solution
- Step 1: Write the proportion equation
3,440,637.40 : 5,155,051.20 = 2,241,942.70 : x - Step 2: Convert to fraction form
3,440,637.40/5,155,051.20 = 2,241,942.70/x - Step 3: Cross multiply
3,440,637.40x = 5,155,051.20 × 2,241,942.70 - Step 4: Simplify right side
3,440,637.40x = 11,557,329,405,966.24 - Step 5: Solve for x
x = 11,557,329,405,966.24/3,440,637.40 - Step 6: Final answer
x = 3,359,066.38
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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.