Finding the Fourth Proportional to 2,818,722.06, 4,226,705.19 and 1,966,202.10
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Solution
The fourth proportional to 2,818,722.06, 4,226,705.19 and 1,966,202.10 is: 2,948,341.99
Step by Step Solution
- Step 1: Write the proportion equation
2,818,722.06 : 4,226,705.19 = 1,966,202.10 : x - Step 2: Convert to fraction form
2,818,722.06/4,226,705.19 = 1,966,202.10/x - Step 3: Cross multiply
2,818,722.06x = 4,226,705.19 × 1,966,202.10 - Step 4: Simplify right side
2,818,722.06x = 8,310,556,620,658.90 - Step 5: Solve for x
x = 8,310,556,620,658.90/2,818,722.06 - Step 6: Final answer
x = 2,948,341.99
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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.