Finding the Fourth Proportional to 2,285,173.20, 3,428,634.60 and 2,249,306.40
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Solution
The fourth proportional to 2,285,173.20, 3,428,634.60 and 2,249,306.40 is: 3,374,820.67
Step by Step Solution
- Step 1: Write the proportion equation
2,285,173.20 : 3,428,634.60 = 2,249,306.40 : x - Step 2: Convert to fraction form
2,285,173.20/3,428,634.60 = 2,249,306.40/x - Step 3: Cross multiply
2,285,173.20x = 3,428,634.60 × 2,249,306.40 - Step 4: Simplify right side
2,285,173.20x = 7,712,049,749,041.44 - Step 5: Solve for x
x = 7,712,049,749,041.44/2,285,173.20 - Step 6: Final answer
x = 3,374,820.67
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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.