Finding the Fourth Proportional to 3,436,372.26, 4,742,204.76 and 1,908,479.34
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Solution
The fourth proportional to 3,436,372.26, 4,742,204.76 and 1,908,479.34 is: 2,633,707.62
Step by Step Solution
- Step 1: Write the proportion equation
3,436,372.26 : 4,742,204.76 = 1,908,479.34 : x - Step 2: Convert to fraction form
3,436,372.26/4,742,204.76 = 1,908,479.34/x - Step 3: Cross multiply
3,436,372.26x = 4,742,204.76 × 1,908,479.34 - Step 4: Simplify right side
3,436,372.26x = 9,050,399,810,509.66 - Step 5: Solve for x
x = 9,050,399,810,509.66/3,436,372.26 - Step 6: Final answer
x = 2,633,707.62
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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.