Finding the Fourth Proportional to 2,137,816.08, 3,206,646.36 and 641,869.20
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Solution
The fourth proportional to 2,137,816.08, 3,206,646.36 and 641,869.20 is: 962,780.45
Step by Step Solution
- Step 1: Write the proportion equation
2,137,816.08 : 3,206,646.36 = 641,869.20 : x - Step 2: Convert to fraction form
2,137,816.08/3,206,646.36 = 641,869.20/x - Step 3: Cross multiply
2,137,816.08x = 3,206,646.36 × 641,869.20 - Step 4: Simplify right side
2,137,816.08x = 2,058,247,533,776.11 - Step 5: Solve for x
x = 2,058,247,533,776.11/2,137,816.08 - Step 6: Final answer
x = 962,780.45
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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.