Finding the Fourth Proportional to 2,037,645.48, 2,812,014.05 and 1,119,857.94
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Solution
The fourth proportional to 2,037,645.48, 2,812,014.05 and 1,119,857.94 is: 1,545,438.74
Step by Step Solution
- Step 1: Write the proportion equation
2,037,645.48 : 2,812,014.05 = 1,119,857.94 : x - Step 2: Convert to fraction form
2,037,645.48/2,812,014.05 = 1,119,857.94/x - Step 3: Cross multiply
2,037,645.48x = 2,812,014.05 × 1,119,857.94 - Step 4: Simplify right side
2,037,645.48x = 3,149,056,261,284.06 - Step 5: Solve for x
x = 3,149,056,261,284.06/2,037,645.48 - Step 6: Final answer
x = 1,545,438.74
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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.