Finding the Fourth Proportional to 2,130,674.84, 2,940,311.70 and 1,163,804.84
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Solution
The fourth proportional to 2,130,674.84, 2,940,311.70 and 1,163,804.84 is: 1,606,039.98
Step by Step Solution
- Step 1: Write the proportion equation
2,130,674.84 : 2,940,311.70 = 1,163,804.84 : x - Step 2: Convert to fraction form
2,130,674.84/2,940,311.70 = 1,163,804.84/x - Step 3: Cross multiply
2,130,674.84x = 2,940,311.70 × 1,163,804.84 - Step 4: Simplify right side
2,130,674.84x = 3,421,948,987,568.63 - Step 5: Solve for x
x = 3,421,948,987,568.63/2,130,674.84 - Step 6: Final answer
x = 1,606,039.98
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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.