Finding the Fourth Proportional to 1,586,014.24, 2,188,701.81 and 860,862.10
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Solution
The fourth proportional to 1,586,014.24, 2,188,701.81 and 860,862.10 is: 1,187,990.87
Step by Step Solution
- Step 1: Write the proportion equation
1,586,014.24 : 2,188,701.81 = 860,862.10 : x - Step 2: Convert to fraction form
1,586,014.24/2,188,701.81 = 860,862.10/x - Step 3: Cross multiply
1,586,014.24x = 2,188,701.81 × 860,862.10 - Step 4: Simplify right side
1,586,014.24x = 1,884,170,436,430.40 - Step 5: Solve for x
x = 1,884,170,436,430.40/1,586,014.24 - Step 6: Final answer
x = 1,187,990.87
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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.