Finding the Fourth Proportional to 2,567,471.36, 3,543,221.08 and 1,421,551.60
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Solution
The fourth proportional to 2,567,471.36, 3,543,221.08 and 1,421,551.60 is: 1,961,802.45
Step by Step Solution
- Step 1: Write the proportion equation
2,567,471.36 : 3,543,221.08 = 1,421,551.60 : x - Step 2: Convert to fraction form
2,567,471.36/3,543,221.08 = 1,421,551.60/x - Step 3: Cross multiply
2,567,471.36x = 3,543,221.08 × 1,421,551.60 - Step 4: Simplify right side
2,567,471.36x = 5,036,871,595,427.73 - Step 5: Solve for x
x = 5,036,871,595,427.73/2,567,471.36 - Step 6: Final answer
x = 1,961,802.45
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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.