Finding the Fourth Proportional to 1,475,009.82, 2,035,512.99 and 863,279.05
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Solution
The fourth proportional to 1,475,009.82, 2,035,512.99 and 863,279.05 is: 1,191,324.76
Step by Step Solution
- Step 1: Write the proportion equation
1,475,009.82 : 2,035,512.99 = 863,279.05 : x - Step 2: Convert to fraction form
1,475,009.82/2,035,512.99 = 863,279.05/x - Step 3: Cross multiply
1,475,009.82x = 2,035,512.99 × 863,279.05 - Step 4: Simplify right side
1,475,009.82x = 1,757,215,720,269.86 - Step 5: Solve for x
x = 1,757,215,720,269.86/1,475,009.82 - Step 6: Final answer
x = 1,191,324.76
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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.