Finding the Fourth Proportional to 1,478,315.39, 2,039,953.05 and 833,893.97
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Solution
The fourth proportional to 1,478,315.39, 2,039,953.05 and 833,893.97 is: 1,150,704.75
Step by Step Solution
- Step 1: Write the proportion equation
1,478,315.39 : 2,039,953.05 = 833,893.97 : x - Step 2: Convert to fraction form
1,478,315.39/2,039,953.05 = 833,893.97/x - Step 3: Cross multiply
1,478,315.39x = 2,039,953.05 × 833,893.97 - Step 4: Simplify right side
1,478,315.39x = 1,701,104,537,278.34 - Step 5: Solve for x
x = 1,701,104,537,278.34/1,478,315.39 - Step 6: Final answer
x = 1,150,704.75
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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.