Finding the Fourth Proportional to 4,629,686.12, 6,937,555.26 and 4,125,150.68
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Solution
The fourth proportional to 4,629,686.12, 6,937,555.26 and 4,125,150.68 is: 6,181,512.11
Step by Step Solution
- Step 1: Write the proportion equation
4,629,686.12 : 6,937,555.26 = 4,125,150.68 : x - Step 2: Convert to fraction form
4,629,686.12/6,937,555.26 = 4,125,150.68/x - Step 3: Cross multiply
4,629,686.12x = 6,937,555.26 × 4,125,150.68 - Step 4: Simplify right side
4,629,686.12x = 28,618,460,798,326.58 - Step 5: Solve for x
x = 28,618,460,798,326.58/4,629,686.12 - Step 6: Final answer
x = 6,181,512.11
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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.