Finding the Fourth Proportional to 2,195,365.20, 3,295,121.40 and 1,355,557.20
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Solution
The fourth proportional to 2,195,365.20, 3,295,121.40 and 1,355,557.20 is: 2,034,616.17
Step by Step Solution
- Step 1: Write the proportion equation
2,195,365.20 : 3,295,121.40 = 1,355,557.20 : x - Step 2: Convert to fraction form
2,195,365.20/3,295,121.40 = 1,355,557.20/x - Step 3: Cross multiply
2,195,365.20x = 3,295,121.40 × 1,355,557.20 - Step 4: Simplify right side
2,195,365.20x = 4,466,725,538,644.08 - Step 5: Solve for x
x = 4,466,725,538,644.08/2,195,365.20 - Step 6: Final answer
x = 2,034,616.17
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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.