Finding the Fourth Proportional to 1,685,477.70, 2,528,216.55 and 675,083.70
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Solution
The fourth proportional to 1,685,477.70, 2,528,216.55 and 675,083.70 is: 1,012,625.55
Step by Step Solution
- Step 1: Write the proportion equation
1,685,477.70 : 2,528,216.55 = 675,083.70 : x - Step 2: Convert to fraction form
1,685,477.70/2,528,216.55 = 675,083.70/x - Step 3: Cross multiply
1,685,477.70x = 2,528,216.55 × 675,083.70 - Step 4: Simplify right side
1,685,477.70x = 1,706,757,782,975.24 - Step 5: Solve for x
x = 1,706,757,782,975.24/1,685,477.70 - Step 6: Final answer
x = 1,012,625.55
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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.