Finding the Fourth Proportional to 2,146,554.09, 2,962,315.67 and 1,179,718.65
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Solution
The fourth proportional to 2,146,554.09, 2,962,315.67 and 1,179,718.65 is: 1,628,050.77
Step by Step Solution
- Step 1: Write the proportion equation
2,146,554.09 : 2,962,315.67 = 1,179,718.65 : x - Step 2: Convert to fraction form
2,146,554.09/2,962,315.67 = 1,179,718.65/x - Step 3: Cross multiply
2,146,554.09x = 2,962,315.67 × 1,179,718.65 - Step 4: Simplify right side
2,146,554.09x = 3,494,699,037,187.65 - Step 5: Solve for x
x = 3,494,699,037,187.65/2,146,554.09 - Step 6: Final answer
x = 1,628,050.77
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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.