Finding the Fourth Proportional to 1,585,772.28, 2,188,366.88 and 860,619.84
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Solution
The fourth proportional to 1,585,772.28, 2,188,366.88 and 860,619.84 is: 1,187,655.99
Step by Step Solution
- Step 1: Write the proportion equation
1,585,772.28 : 2,188,366.88 = 860,619.84 : x - Step 2: Convert to fraction form
1,585,772.28/2,188,366.88 = 860,619.84/x - Step 3: Cross multiply
1,585,772.28x = 2,188,366.88 × 860,619.84 - Step 4: Simplify right side
1,585,772.28x = 1,883,351,954,126.90 - Step 5: Solve for x
x = 1,883,351,954,126.90/1,585,772.28 - Step 6: Final answer
x = 1,187,655.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.