Finding the Fourth Proportional to 1,585,683.15, 2,188,244.19 and 860,530.99
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Solution
The fourth proportional to 1,585,683.15, 2,188,244.19 and 860,530.99 is: 1,187,533.55
Step by Step Solution
- Step 1: Write the proportion equation
1,585,683.15 : 2,188,244.19 = 860,530.99 : x - Step 2: Convert to fraction form
1,585,683.15/2,188,244.19 = 860,530.99/x - Step 3: Cross multiply
1,585,683.15x = 2,188,244.19 × 860,530.99 - Step 4: Simplify right side
1,585,683.15x = 1,883,051,939,182.45 - Step 5: Solve for x
x = 1,883,051,939,182.45/1,585,683.15 - Step 6: Final answer
x = 1,187,533.55
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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.