Finding the Fourth Proportional to 3,430,230.47, 4,734,778.05 and 2,206,536.02
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Solution
The fourth proportional to 3,430,230.47, 4,734,778.05 and 2,206,536.02 is: 3,045,701.56
Step by Step Solution
- Step 1: Write the proportion equation
3,430,230.47 : 4,734,778.05 = 2,206,536.02 : x - Step 2: Convert to fraction form
3,430,230.47/4,734,778.05 = 2,206,536.02/x - Step 3: Cross multiply
3,430,230.47x = 4,734,778.05 × 2,206,536.02 - Step 4: Simplify right side
3,430,230.47x = 10,447,458,290,356.47 - Step 5: Solve for x
x = 10,447,458,290,356.47/3,430,230.47 - Step 6: Final answer
x = 3,045,701.56
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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.