Finding the Fourth Proportional to 1,411,390.84, 1,947,578.68 and 799,421.44
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Solution
The fourth proportional to 1,411,390.84, 1,947,578.68 and 799,421.44 is: 1,103,121.91
Step by Step Solution
- Step 1: Write the proportion equation
1,411,390.84 : 1,947,578.68 = 799,421.44 : x - Step 2: Convert to fraction form
1,411,390.84/1,947,578.68 = 799,421.44/x - Step 3: Cross multiply
1,411,390.84x = 1,947,578.68 × 799,421.44 - Step 4: Simplify right side
1,411,390.84x = 1,556,936,152,878.90 - Step 5: Solve for x
x = 1,556,936,152,878.90/1,411,390.84 - Step 6: Final answer
x = 1,103,121.91
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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.