Finding the Fourth Proportional to 2,871,307.36, 3,962,383.68 and 1,582,117.12
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Solution
The fourth proportional to 2,871,307.36, 3,962,383.68 and 1,582,117.12 is: 2,183,310.34
Step by Step Solution
- Step 1: Write the proportion equation
2,871,307.36 : 3,962,383.68 = 1,582,117.12 : x - Step 2: Convert to fraction form
2,871,307.36/3,962,383.68 = 1,582,117.12/x - Step 3: Cross multiply
2,871,307.36x = 3,962,383.68 × 1,582,117.12 - Step 4: Simplify right side
2,871,307.36x = 6,268,955,056,136.60 - Step 5: Solve for x
x = 6,268,955,056,136.60/2,871,307.36 - Step 6: Final answer
x = 2,183,310.34
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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.