Finding the Fourth Proportional to 3,394,281.13, 4,684,276.11 and 2,105,536.75
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Solution
The fourth proportional to 3,394,281.13, 4,684,276.11 and 2,105,536.75 is: 2,905,745.02
Step by Step Solution
- Step 1: Write the proportion equation
3,394,281.13 : 4,684,276.11 = 2,105,536.75 : x - Step 2: Convert to fraction form
3,394,281.13/4,684,276.11 = 2,105,536.75/x - Step 3: Cross multiply
3,394,281.13x = 4,684,276.11 × 2,105,536.75 - Step 4: Simplify right side
3,394,281.13x = 9,862,915,496,752.04 - Step 5: Solve for x
x = 9,862,915,496,752.04/3,394,281.13 - Step 6: Final answer
x = 2,905,745.02
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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.