Finding the Fourth Proportional to 1,512,355.40, 2,265,908.70 and 979,602.20
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Solution
The fourth proportional to 1,512,355.40, 2,265,908.70 and 979,602.20 is: 1,467,703.39
Step by Step Solution
- Step 1: Write the proportion equation
1,512,355.40 : 2,265,908.70 = 979,602.20 : x - Step 2: Convert to fraction form
1,512,355.40/2,265,908.70 = 979,602.20/x - Step 3: Cross multiply
1,512,355.40x = 2,265,908.70 × 979,602.20 - Step 4: Simplify right side
1,512,355.40x = 2,219,689,147,519.14 - Step 5: Solve for x
x = 2,219,689,147,519.14/1,512,355.40 - Step 6: Final answer
x = 1,467,703.39
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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.