Finding the Fourth Proportional to 1,508,379.94, 2,081,545.97 and 1,122,917.54
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Solution
The fourth proportional to 1,508,379.94, 2,081,545.97 and 1,122,917.54 is: 1,549,612.55
Step by Step Solution
- Step 1: Write the proportion equation
1,508,379.94 : 2,081,545.97 = 1,122,917.54 : x - Step 2: Convert to fraction form
1,508,379.94/2,081,545.97 = 1,122,917.54/x - Step 3: Cross multiply
1,508,379.94x = 2,081,545.97 × 1,122,917.54 - Step 4: Simplify right side
1,508,379.94x = 2,337,404,480,029.31 - Step 5: Solve for x
x = 2,337,404,480,029.31/1,508,379.94 - Step 6: Final answer
x = 1,549,612.55
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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.