Finding the Fourth Proportional to 1,648,633.68, 2,276,224.77 and 1,029,381.73
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Solution
The fourth proportional to 1,648,633.68, 2,276,224.77 and 1,029,381.73 is: 1,421,240.03
Step by Step Solution
- Step 1: Write the proportion equation
1,648,633.68 : 2,276,224.77 = 1,029,381.73 : x - Step 2: Convert to fraction form
1,648,633.68/2,276,224.77 = 1,029,381.73/x - Step 3: Cross multiply
1,648,633.68x = 2,276,224.77 × 1,029,381.73 - Step 4: Simplify right side
1,648,633.68x = 2,343,104,180,230.33 - Step 5: Solve for x
x = 2,343,104,180,230.33/1,648,633.68 - Step 6: Final answer
x = 1,421,240.03
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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.