Finding the Fourth Proportional to 2,219,990.20, 3,063,596.18 and 1,201,395.08
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Solution
The fourth proportional to 2,219,990.20, 3,063,596.18 and 1,201,395.08 is: 1,657,930.46
Step by Step Solution
- Step 1: Write the proportion equation
2,219,990.20 : 3,063,596.18 = 1,201,395.08 : x - Step 2: Convert to fraction form
2,219,990.20/3,063,596.18 = 1,201,395.08/x - Step 3: Cross multiply
2,219,990.20x = 3,063,596.18 × 1,201,395.08 - Step 4: Simplify right side
2,219,990.20x = 3,680,589,377,758.80 - Step 5: Solve for x
x = 3,680,589,377,758.80/2,219,990.20 - Step 6: Final answer
x = 1,657,930.46
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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.