Finding the Fourth Proportional to 4,124,312.12, 5,690,969.74 and 2,470,071.56
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Solution
The fourth proportional to 4,124,312.12, 5,690,969.74 and 2,470,071.56 is: 3,408,350.79
Step by Step Solution
- Step 1: Write the proportion equation
4,124,312.12 : 5,690,969.74 = 2,470,071.56 : x - Step 2: Convert to fraction form
4,124,312.12/5,690,969.74 = 2,470,071.56/x - Step 3: Cross multiply
4,124,312.12x = 5,690,969.74 × 2,470,071.56 - Step 4: Simplify right side
4,124,312.12x = 14,057,102,468,964.57 - Step 5: Solve for x
x = 14,057,102,468,964.57/4,124,312.12 - Step 6: Final answer
x = 3,408,350.79
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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.