Finding the Fourth Proportional to 2,130,035.70, 3,193,887.15 and 866,435.70
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Solution
The fourth proportional to 2,130,035.70, 3,193,887.15 and 866,435.70 is: 1,299,179.09
Step by Step Solution
- Step 1: Write the proportion equation
2,130,035.70 : 3,193,887.15 = 866,435.70 : x - Step 2: Convert to fraction form
2,130,035.70/3,193,887.15 = 866,435.70/x - Step 3: Cross multiply
2,130,035.70x = 3,193,887.15 × 866,435.70 - Step 4: Simplify right side
2,130,035.70x = 2,767,297,848,531.26 - Step 5: Solve for x
x = 2,767,297,848,531.26/2,130,035.70 - Step 6: Final answer
x = 1,299,179.09
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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.