Finding the Fourth Proportional to 3,546,766.44, 4,884,228.54 and 3,081,405.06
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Solution
The fourth proportional to 3,546,766.44, 4,884,228.54 and 3,081,405.06 is: 4,243,382.47
Step by Step Solution
- Step 1: Write the proportion equation
3,546,766.44 : 4,884,228.54 = 3,081,405.06 : x - Step 2: Convert to fraction form
3,546,766.44/4,884,228.54 = 3,081,405.06/x - Step 3: Cross multiply
3,546,766.44x = 4,884,228.54 × 3,081,405.06 - Step 4: Simplify right side
3,546,766.44x = 15,050,286,537,352.41 - Step 5: Solve for x
x = 15,050,286,537,352.41/3,546,766.44 - Step 6: Final answer
x = 4,243,382.47
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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.