Finding the Fourth Proportional to 1,806,586.18, 2,486,831.43 and 1,561,459.12
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Solution
The fourth proportional to 1,806,586.18, 2,486,831.43 and 1,561,459.12 is: 2,149,405.14
Step by Step Solution
- Step 1: Write the proportion equation
1,806,586.18 : 2,486,831.43 = 1,561,459.12 : x - Step 2: Convert to fraction form
1,806,586.18/2,486,831.43 = 1,561,459.12/x - Step 3: Cross multiply
1,806,586.18x = 2,486,831.43 × 1,561,459.12 - Step 4: Simplify right side
1,806,586.18x = 3,883,085,616,276.14 - Step 5: Solve for x
x = 3,883,085,616,276.14/1,806,586.18 - Step 6: Final answer
x = 2,149,405.14
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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.