Finding the Fourth Proportional to 4,555,345.42, 6,286,077.12 and 2,621,293.84
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Solution
The fourth proportional to 4,555,345.42, 6,286,077.12 and 2,621,293.84 is: 3,617,213.12
Step by Step Solution
- Step 1: Write the proportion equation
4,555,345.42 : 6,286,077.12 = 2,621,293.84 : x - Step 2: Convert to fraction form
4,555,345.42/6,286,077.12 = 2,621,293.84/x - Step 3: Cross multiply
4,555,345.42x = 6,286,077.12 × 2,621,293.84 - Step 4: Simplify right side
4,555,345.42x = 16,477,655,232,420.94 - Step 5: Solve for x
x = 16,477,655,232,420.94/4,555,345.42 - Step 6: Final answer
x = 3,617,213.12
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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.