Finding the Fourth Proportional to 1,457,370.09, 2,186,120.79 and 446,418.36
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Solution
The fourth proportional to 1,457,370.09, 2,186,120.79 and 446,418.36 is: 669,647.65
Step by Step Solution
- Step 1: Write the proportion equation
1,457,370.09 : 2,186,120.79 = 446,418.36 : x - Step 2: Convert to fraction form
1,457,370.09/2,186,120.79 = 446,418.36/x - Step 3: Cross multiply
1,457,370.09x = 2,186,120.79 × 446,418.36 - Step 4: Simplify right side
1,457,370.09x = 975,924,457,833.70 - Step 5: Solve for x
x = 975,924,457,833.70/1,457,370.09 - Step 6: Final answer
x = 669,647.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.