Finding the Fourth Proportional to 1,986,381.54, 2,979,599.79 and 566,437.44
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Solution
The fourth proportional to 1,986,381.54, 2,979,599.79 and 566,437.44 is: 849,664.00
Step by Step Solution
- Step 1: Write the proportion equation
1,986,381.54 : 2,979,599.79 = 566,437.44 : x - Step 2: Convert to fraction form
1,986,381.54/2,979,599.79 = 566,437.44/x - Step 3: Cross multiply
1,986,381.54x = 2,979,599.79 × 566,437.44 - Step 4: Simplify right side
1,986,381.54x = 1,687,756,877,272.14 - Step 5: Solve for x
x = 1,687,756,877,272.14/1,986,381.54 - Step 6: Final answer
x = 849,664.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.