Finding the Fourth Proportional to 2,728,457.46, 3,765,537.42 and 2,038,932
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Solution
The fourth proportional to 2,728,457.46, 3,765,537.42 and 2,038,932 is: 2,813,925.03
Step by Step Solution
- Step 1: Write the proportion equation
2,728,457.46 : 3,765,537.42 = 2,038,932 : x - Step 2: Convert to fraction form
2,728,457.46/3,765,537.42 = 2,038,932/x - Step 3: Cross multiply
2,728,457.46x = 3,765,537.42 × 2,038,932 - Step 4: Simplify right side
2,728,457.46x = 7,677,674,742,835.44 - Step 5: Solve for x
x = 7,677,674,742,835.44/2,728,457.46 - Step 6: Final answer
x = 2,813,925.03
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1.5x scale
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.