Finding the Fourth Proportional to 4,342,657.80, 6,513,986.70 and 3,222,913.80
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Solution
The fourth proportional to 4,342,657.80, 6,513,986.70 and 3,222,913.80 is: 4,834,370.70
Step by Step Solution
- Step 1: Write the proportion equation
4,342,657.80 : 6,513,986.70 = 3,222,913.80 : x - Step 2: Convert to fraction form
4,342,657.80/6,513,986.70 = 3,222,913.80/x - Step 3: Cross multiply
4,342,657.80x = 6,513,986.70 × 3,222,913.80 - Step 4: Simplify right side
4,342,657.80x = 20,994,017,628,446.46 - Step 5: Solve for x
x = 20,994,017,628,446.46/4,342,657.80 - Step 6: Final answer
x = 4,834,370.70
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1.5x scale
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.