Finding the Fourth Proportional to 1,621,278.74, 2,237,325.61 and 886,199.96
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Solution
The fourth proportional to 1,621,278.74, 2,237,325.61 and 886,199.96 is: 1,222,934.60
Step by Step Solution
- Step 1: Write the proportion equation
1,621,278.74 : 2,237,325.61 = 886,199.96 : x - Step 2: Convert to fraction form
1,621,278.74/2,237,325.61 = 886,199.96/x - Step 3: Cross multiply
1,621,278.74x = 2,237,325.61 × 886,199.96 - Step 4: Simplify right side
1,621,278.74x = 1,982,717,866,088.98 - Step 5: Solve for x
x = 1,982,717,866,088.98/1,621,278.74 - Step 6: Final answer
x = 1,222,934.60
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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.