Finding the Fourth Proportional to 1,903,457.34, 2,855,186.10 and 1,110,276.18
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Solution
The fourth proportional to 1,903,457.34, 2,855,186.10 and 1,110,276.18 is: 1,665,414.32
Step by Step Solution
- Step 1: Write the proportion equation
1,903,457.34 : 2,855,186.10 = 1,110,276.18 : x - Step 2: Convert to fraction form
1,903,457.34/2,855,186.10 = 1,110,276.18/x - Step 3: Cross multiply
1,903,457.34x = 2,855,186.10 × 1,110,276.18 - Step 4: Simplify right side
1,903,457.34x = 3,170,045,116,297.10 - Step 5: Solve for x
x = 3,170,045,116,297.10/1,903,457.34 - Step 6: Final answer
x = 1,665,414.32
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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.