Finding the Fourth Proportional to 1,585,877.23, 2,188,512.68 and 860,724.93
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Solution
The fourth proportional to 1,585,877.23, 2,188,512.68 and 860,724.93 is: 1,187,801.55
Step by Step Solution
- Step 1: Write the proportion equation
1,585,877.23 : 2,188,512.68 = 860,724.93 : x - Step 2: Convert to fraction form
1,585,877.23/2,188,512.68 = 860,724.93/x - Step 3: Cross multiply
1,585,877.23x = 2,188,512.68 × 860,724.93 - Step 4: Simplify right side
1,585,877.23x = 1,883,707,427,200.41 - Step 5: Solve for x
x = 1,883,707,427,200.41/1,585,877.23 - Step 6: Final answer
x = 1,187,801.55
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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.