Finding the Fourth Proportional to 3,112,129.96, 4,294,758.08 and 1,735,560.70
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Solution
The fourth proportional to 3,112,129.96, 4,294,758.08 and 1,735,560.70 is: 2,395,084.22
Step by Step Solution
- Step 1: Write the proportion equation
3,112,129.96 : 4,294,758.08 = 1,735,560.70 : x - Step 2: Convert to fraction form
3,112,129.96/4,294,758.08 = 1,735,560.70/x - Step 3: Cross multiply
3,112,129.96x = 4,294,758.08 × 1,735,560.70 - Step 4: Simplify right side
3,112,129.96x = 7,453,813,340,455.21 - Step 5: Solve for x
x = 7,453,813,340,455.21/3,112,129.96 - Step 6: Final answer
x = 2,395,084.22
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1.5x scale
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.