Finding the Fourth Proportional to 6,991,148.03, 10,486,722.80 and 2,133,479.99
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Solution
The fourth proportional to 6,991,148.03, 10,486,722.80 and 2,133,479.99 is: 3,200,220.21
Step by Step Solution
- Step 1: Write the proportion equation
6,991,148.03 : 10,486,722.80 = 2,133,479.99 : x - Step 2: Convert to fraction form
6,991,148.03/10,486,722.80 = 2,133,479.99/x - Step 3: Cross multiply
6,991,148.03x = 10,486,722.80 × 2,133,479.99 - Step 4: Simplify right side
6,991,148.03x = 22,373,213,191,375.76 - Step 5: Solve for x
x = 22,373,213,191,375.76/6,991,148.03 - Step 6: Final answer
x = 3,200,220.21
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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.