Finding the Fourth Proportional to 1,804,338.05, 2,489,373.44 and 1,029,412.20
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Solution
The fourth proportional to 1,804,338.05, 2,489,373.44 and 1,029,412.20 is: 1,420,239.06
Step by Step Solution
- Step 1: Write the proportion equation
1,804,338.05 : 2,489,373.44 = 1,029,412.20 : x - Step 2: Convert to fraction form
1,804,338.05/2,489,373.44 = 1,029,412.20/x - Step 3: Cross multiply
1,804,338.05x = 2,489,373.44 × 1,029,412.20 - Step 4: Simplify right side
1,804,338.05x = 2,562,591,384,344.91 - Step 5: Solve for x
x = 2,562,591,384,344.91/1,804,338.05 - Step 6: Final answer
x = 1,420,239.06
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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.