Finding the Fourth Proportional to 1,457,231.70, 2,185,847.55 and 1,368,585.30
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Solution
The fourth proportional to 1,457,231.70, 2,185,847.55 and 1,368,585.30 is: 2,052,877.95
Step by Step Solution
- Step 1: Write the proportion equation
1,457,231.70 : 2,185,847.55 = 1,368,585.30 : x - Step 2: Convert to fraction form
1,457,231.70/2,185,847.55 = 1,368,585.30/x - Step 3: Cross multiply
1,457,231.70x = 2,185,847.55 × 1,368,585.30 - Step 4: Simplify right side
1,457,231.70x = 2,991,518,824,971.01 - Step 5: Solve for x
x = 2,991,518,824,971.01/1,457,231.70 - Step 6: Final answer
x = 2,052,877.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.