Finding the Fourth Proportional to 1,621,283.70, 2,237,371.62 and 886,240.90
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Solution
The fourth proportional to 1,621,283.70, 2,237,371.62 and 886,240.90 is: 1,223,012.50
Step by Step Solution
- Step 1: Write the proportion equation
1,621,283.70 : 2,237,371.62 = 886,240.90 : x - Step 2: Convert to fraction form
1,621,283.70/2,237,371.62 = 886,240.90/x - Step 3: Cross multiply
1,621,283.70x = 2,237,371.62 × 886,240.90 - Step 4: Simplify right side
1,621,283.70x = 1,982,850,230,016.46 - Step 5: Solve for x
x = 1,982,850,230,016.46/1,621,283.70 - Step 6: Final answer
x = 1,223,012.50
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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.