Finding the Fourth Proportional to 2,508,129.39, 3,461,102.73 and 1,420,408.76
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Solution
The fourth proportional to 2,508,129.39, 3,461,102.73 and 1,420,408.76 is: 1,960,098.49
Step by Step Solution
- Step 1: Write the proportion equation
2,508,129.39 : 3,461,102.73 = 1,420,408.76 : x - Step 2: Convert to fraction form
2,508,129.39/3,461,102.73 = 1,420,408.76/x - Step 3: Cross multiply
2,508,129.39x = 3,461,102.73 × 1,420,408.76 - Step 4: Simplify right side
2,508,129.39x = 4,916,180,628,299.16 - Step 5: Solve for x
x = 4,916,180,628,299.16/2,508,129.39 - Step 6: Final answer
x = 1,960,098.49
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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.