Finding the Fourth Proportional to 1,532,899.68, 2,115,316.74 and 844,436.20
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Solution
The fourth proportional to 1,532,899.68, 2,115,316.74 and 844,436.20 is: 1,165,275.23
Step by Step Solution
- Step 1: Write the proportion equation
1,532,899.68 : 2,115,316.74 = 844,436.20 : x - Step 2: Convert to fraction form
1,532,899.68/2,115,316.74 = 844,436.20/x - Step 3: Cross multiply
1,532,899.68x = 2,115,316.74 × 844,436.20 - Step 4: Simplify right side
1,532,899.68x = 1,786,250,029,721.99 - Step 5: Solve for x
x = 1,786,250,029,721.99/1,532,899.68 - Step 6: Final answer
x = 1,165,275.23
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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.