Finding the Fourth Proportional to 4,212,041.79, 5,812,118.14 and 2,376,393.06
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Solution
The fourth proportional to 4,212,041.79, 5,812,118.14 and 2,376,393.06 is: 3,279,140.59
Step by Step Solution
- Step 1: Write the proportion equation
4,212,041.79 : 5,812,118.14 = 2,376,393.06 : x - Step 2: Convert to fraction form
4,212,041.79/5,812,118.14 = 2,376,393.06/x - Step 3: Cross multiply
4,212,041.79x = 5,812,118.14 × 2,376,393.06 - Step 4: Simplify right side
4,212,041.79x = 13,811,877,211,796.11 - Step 5: Solve for x
x = 13,811,877,211,796.11/4,212,041.79 - Step 6: Final answer
x = 3,279,140.59
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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.