Finding the Fourth Proportional to 4,124,312.87, 5,690,970.77 and 2,470,072.31
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Solution
The fourth proportional to 4,124,312.87, 5,690,970.77 and 2,470,072.31 is: 3,408,351.83
Step by Step Solution
- Step 1: Write the proportion equation
4,124,312.87 : 5,690,970.77 = 2,470,072.31 : x - Step 2: Convert to fraction form
4,124,312.87/5,690,970.77 = 2,470,072.31/x - Step 3: Cross multiply
4,124,312.87x = 5,690,970.77 × 2,470,072.31 - Step 4: Simplify right side
4,124,312.87x = 14,057,109,293,716.71 - Step 5: Solve for x
x = 14,057,109,293,716.71/4,124,312.87 - Step 6: Final answer
x = 3,408,351.83
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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.