Finding the Fourth Proportional to 1,717,408.78, 2,588,457.68 and 1,480,383.54
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Solution
The fourth proportional to 1,717,408.78, 2,588,457.68 and 1,480,383.54 is: 2,231,216.12
Step by Step Solution
- Step 1: Write the proportion equation
1,717,408.78 : 2,588,457.68 = 1,480,383.54 : x - Step 2: Convert to fraction form
1,717,408.78/2,588,457.68 = 1,480,383.54/x - Step 3: Cross multiply
1,717,408.78x = 2,588,457.68 × 1,480,383.54 - Step 4: Simplify right side
1,717,408.78x = 3,831,910,149,935.27 - Step 5: Solve for x
x = 3,831,910,149,935.27/1,717,408.78 - Step 6: Final answer
x = 2,231,216.12
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.