Finding the Fourth Proportional to 1,603,383.68, 2,211,606.16 and 1,031,147.84
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Solution
The fourth proportional to 1,603,383.68, 2,211,606.16 and 1,031,147.84 is: 1,422,300.19
Step by Step Solution
- Step 1: Write the proportion equation
1,603,383.68 : 2,211,606.16 = 1,031,147.84 : x - Step 2: Convert to fraction form
1,603,383.68/2,211,606.16 = 1,031,147.84/x - Step 3: Cross multiply
1,603,383.68x = 2,211,606.16 × 1,031,147.84 - Step 4: Simplify right side
1,603,383.68x = 2,280,492,914,814.69 - Step 5: Solve for x
x = 2,280,492,914,814.69/1,603,383.68 - Step 6: Final answer
x = 1,422,300.19
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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.