Finding the Fourth Proportional to 3,830,182.08, 5,286,668.48 and 2,261,688.32
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Solution
The fourth proportional to 3,830,182.08, 5,286,668.48 and 2,261,688.32 is: 3,121,730.53
Step by Step Solution
- Step 1: Write the proportion equation
3,830,182.08 : 5,286,668.48 = 2,261,688.32 : x - Step 2: Convert to fraction form
3,830,182.08/5,286,668.48 = 2,261,688.32/x - Step 3: Cross multiply
3,830,182.08x = 5,286,668.48 × 2,261,688.32 - Step 4: Simplify right side
3,830,182.08x = 11,956,796,352,928.15 - Step 5: Solve for x
x = 11,956,796,352,928.15/3,830,182.08 - Step 6: Final answer
x = 3,121,730.53
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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.