Finding the Fourth Proportional to 1,935,988.49, 2,674,396.12 and 1,551,358.98
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Solution
The fourth proportional to 1,935,988.49, 2,674,396.12 and 1,551,358.98 is: 2,143,064.62
Step by Step Solution
- Step 1: Write the proportion equation
1,935,988.49 : 2,674,396.12 = 1,551,358.98 : x - Step 2: Convert to fraction form
1,935,988.49/2,674,396.12 = 1,551,358.98/x - Step 3: Cross multiply
1,935,988.49x = 2,674,396.12 × 1,551,358.98 - Step 4: Simplify right side
1,935,988.49x = 4,148,948,436,839.16 - Step 5: Solve for x
x = 4,148,948,436,839.16/1,935,988.49 - Step 6: Final answer
x = 2,143,064.62
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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.