Finding the Fourth Proportional to 1,459,895.40, 2,188,352.70 and 986,628.60
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Solution
The fourth proportional to 1,459,895.40, 2,188,352.70 and 986,628.60 is: 1,478,935.66
Step by Step Solution
- Step 1: Write the proportion equation
1,459,895.40 : 2,188,352.70 = 986,628.60 : x - Step 2: Convert to fraction form
1,459,895.40/2,188,352.70 = 986,628.60/x - Step 3: Cross multiply
1,459,895.40x = 2,188,352.70 × 986,628.60 - Step 4: Simplify right side
1,459,895.40x = 2,159,091,360,707.22 - Step 5: Solve for x
x = 2,159,091,360,707.22/1,459,895.40 - Step 6: Final answer
x = 1,478,935.66
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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.