Finding the Fourth Proportional to 5,251,570.47, 7,874,206.07 and 2,408,120.55
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Solution
The fourth proportional to 5,251,570.47, 7,874,206.07 and 2,408,120.55 is: 3,610,736.55
Step by Step Solution
- Step 1: Write the proportion equation
5,251,570.47 : 7,874,206.07 = 2,408,120.55 : x - Step 2: Convert to fraction form
5,251,570.47/7,874,206.07 = 2,408,120.55/x - Step 3: Cross multiply
5,251,570.47x = 7,874,206.07 × 2,408,120.55 - Step 4: Simplify right side
5,251,570.47x = 18,962,037,440,061.14 - Step 5: Solve for x
x = 18,962,037,440,061.14/5,251,570.47 - Step 6: Final answer
x = 3,610,736.55
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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.