Finding the Fourth Proportional to 1,788,621.36, 2,682,640.38 and 526,153.80
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Solution
The fourth proportional to 1,788,621.36, 2,682,640.38 and 526,153.80 is: 789,144.90
Step by Step Solution
- Step 1: Write the proportion equation
1,788,621.36 : 2,682,640.38 = 526,153.80 : x - Step 2: Convert to fraction form
1,788,621.36/2,682,640.38 = 526,153.80/x - Step 3: Cross multiply
1,788,621.36x = 2,682,640.38 × 526,153.80 - Step 4: Simplify right side
1,788,621.36x = 1,411,481,429,970.44 - Step 5: Solve for x
x = 1,411,481,429,970.44/1,788,621.36 - Step 6: Final answer
x = 789,144.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.