Finding the Fourth Proportional to 6,245,271.71, 8,620,853.25 and 4,070,343.95
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Solution
The fourth proportional to 6,245,271.71, 8,620,853.25 and 4,070,343.95 is: 5,618,624.69
Step by Step Solution
- Step 1: Write the proportion equation
6,245,271.71 : 8,620,853.25 = 4,070,343.95 : x - Step 2: Convert to fraction form
6,245,271.71/8,620,853.25 = 4,070,343.95/x - Step 3: Cross multiply
6,245,271.71x = 8,620,853.25 × 4,070,343.95 - Step 4: Simplify right side
6,245,271.71x = 35,089,837,826,871.07 - Step 5: Solve for x
x = 35,089,837,826,871.07/6,245,271.71 - Step 6: Final answer
x = 5,618,624.69
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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.