Finding the Fourth Proportional to 5,361,302.80, 8,041,176.60 and 1,574,390.80
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Solution
The fourth proportional to 5,361,302.80, 8,041,176.60 and 1,574,390.80 is: 2,361,357.85
Step by Step Solution
- Step 1: Write the proportion equation
5,361,302.80 : 8,041,176.60 = 1,574,390.80 : x - Step 2: Convert to fraction form
5,361,302.80/8,041,176.60 = 1,574,390.80/x - Step 3: Cross multiply
5,361,302.80x = 8,041,176.60 × 1,574,390.80 - Step 4: Simplify right side
5,361,302.80x = 12,659,954,460,215.28 - Step 5: Solve for x
x = 12,659,954,460,215.28/5,361,302.80 - Step 6: Final answer
x = 2,361,357.85
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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.