Finding the Fourth Proportional to 2,683,994.12, 3,706,146.66 and 2,489,267.74
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Solution
The fourth proportional to 2,683,994.12, 3,706,146.66 and 2,489,267.74 is: 3,437,262.12
Step by Step Solution
- Step 1: Write the proportion equation
2,683,994.12 : 3,706,146.66 = 2,489,267.74 : x - Step 2: Convert to fraction form
2,683,994.12/3,706,146.66 = 2,489,267.74/x - Step 3: Cross multiply
2,683,994.12x = 3,706,146.66 × 2,489,267.74 - Step 4: Simplify right side
2,683,994.12x = 9,225,591,311,751.73 - Step 5: Solve for x
x = 9,225,591,311,751.73/2,683,994.12 - Step 6: Final answer
x = 3,437,262.12
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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.