Finding the Fourth Proportional to 1,620,402.74, 2,236,179.23 and 895,267.14
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Solution
The fourth proportional to 1,620,402.74, 2,236,179.23 and 895,267.14 is: 1,235,481.61
Step by Step Solution
- Step 1: Write the proportion equation
1,620,402.74 : 2,236,179.23 = 895,267.14 : x - Step 2: Convert to fraction form
1,620,402.74/2,236,179.23 = 895,267.14/x - Step 3: Cross multiply
1,620,402.74x = 2,236,179.23 × 895,267.14 - Step 4: Simplify right side
1,620,402.74x = 2,001,977,780,417.22 - Step 5: Solve for x
x = 2,001,977,780,417.22/1,620,402.74 - Step 6: Final answer
x = 1,235,481.61
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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.