Finding the Fourth Proportional to 1,637,067.70, 2,455,601.55 and 838,083.70
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Solution
The fourth proportional to 1,637,067.70, 2,455,601.55 and 838,083.70 is: 1,257,125.55
Step by Step Solution
- Step 1: Write the proportion equation
1,637,067.70 : 2,455,601.55 = 838,083.70 : x - Step 2: Convert to fraction form
1,637,067.70/2,455,601.55 = 838,083.70/x - Step 3: Cross multiply
1,637,067.70x = 2,455,601.55 × 838,083.70 - Step 4: Simplify right side
1,637,067.70x = 2,057,999,632,749.73 - Step 5: Solve for x
x = 2,057,999,632,749.73/1,637,067.70 - Step 6: Final answer
x = 1,257,125.55
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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.