Finding the Fourth Proportional to 3,436,370.76, 4,742,202.70 and 1,908,477.84
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Solution
The fourth proportional to 3,436,370.76, 4,742,202.70 and 1,908,477.84 is: 2,633,705.56
Step by Step Solution
- Step 1: Write the proportion equation
3,436,370.76 : 4,742,202.70 = 1,908,477.84 : x - Step 2: Convert to fraction form
3,436,370.76/4,742,202.70 = 1,908,477.84/x - Step 3: Cross multiply
3,436,370.76x = 4,742,202.70 × 1,908,477.84 - Step 4: Simplify right side
3,436,370.76x = 9,050,388,765,738.17 - Step 5: Solve for x
x = 9,050,388,765,738.17/3,436,370.76 - Step 6: Final answer
x = 2,633,705.56
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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.